bq78350 - finding the chem id for HV lipo

Hi,

I am using bq78350 on a 6S pack of LiHV (max charge is 4.35V per cell).

I would like to set the chem Id, what are the steps to find the correct chem Id?

I did see an online tool for impedance based gauges... 

Thanks,

Yoav Gross