You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-(4-chloro-2,5-dimethoxyphenyl)-3-(3,4-dihydro-1H-isoquinolin-2-ylsulfonyl)thiophene-2-carboxamide .
user
C22H21ClN2O5S2
assistant