You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name [2-[4-[(4-phenylbenzoyl)amino]butyl]-3,4-dihydro-1H-isoquinolin-7-yl] thiophene-2-sulfonate ?
user
C30H30N2O4S2
assistant