Which addin should I install to use the getSMILES function?

[LiuCMU]

Hi, I want to convert molecules in a cdxml file into SMILES. There are 107 molecules, so I guess it might be faster if I use the JavaScript API for it.

I guess I need to use the getSMILES function in the following image:

But I am not sure which addin should I install to get be able to use that function? Could you take a look? Thanks!

System: MacOS 12.3
ChemDraw Professional 19.1.1.32