APOC Load XLSX and Mapping syntax?

Hey folks, having trouble importing some Excel files - I would like to rename some of the fields on import using the mapping property, but having troubles with field names that have a space in it...

for example, the following works:

CALL apoc.load.xls('/LiveOptics_1101503_VMware_07_23_2020.xlsx', 'ESX-Hosts', {ignore: ['Datacenter','vCenter','Cluster','OS','Local Capacity (GB)','Free Capacity (GB)','Used Capacity (GB)','Guest VM Count', 'ConfigStatus','Boot Time'], mapping: {Model: {name:'wahoo'}}}) 

But the following yields an error:

CALL apoc.load.xls('/LiveOptics_1101503_VMware_07_23_2020.xlsx', 'ESX-Hosts', {ignore: ['Datacenter','vCenter','Cluster','OS','Local Capacity (GB)','Free Capacity (GB)','Used Capacity (GB)','Guest VM Count', 'ConfigStatus','Boot Time'], mapping: {'Serial No': {name:'wahoo'}}}) 

The error is below:

Neo.ClientError.Statement.SyntaxError
Invalid input ''': expected whitespace, an identifier, UnsignedDecimalInteger, a property key name or '}' (line 1, column 248 (offset: 247))
"CALL apoc.load.xls('/LiveOptics_1101503_VMware_07_23_2020.xlsx', 'ESX-Hosts', {ignore: ['Datacenter','vCenter','Cluster','OS','Local Capacity (GB)','Free Capacity (GB)','Used Capacity (GB)','Guest VM Count', 'ConfigStatus','Boot Time'], mapping: {'Serial No': {name:'wahoo'}}})"
^

Note that the only real difference between the two commands is that in the second command there is a space in the name of the imported field ("Serial No").

Success! I managed to figure out the correct combination of backticks, single and double quotes...

Solution as follows:

CALL apoc.load.xls('/LiveOptics_1101503_VMware_07_23_2020.xlsx', 'ESX-Hosts',{ignore:['Datacenter','vCenter','Cluster','OS','Local Capacity (GB)','Free Capacity (GB)','Used Capacity (GB)','Guest VM Count','Config Status','Boot Time'],
  mapping:{
    `Serial No`: {name:'serial'},
    `Host-Name`: { name:'name'},
    Manufacturer: {name:'mftr'},
    Model: {name:'model'},
    `CPU Sockets`: {type:'int',name:'cpu-sockets'},
    `CPU Cores`: {type:'int', name:'cpu-cores'},
    `CPU Description`: {name:'cpu-type'},
    `Memory (KB)`: {type:'int', name:'memory'}
  }
})