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 3-amino-4-[ethyl(methyl)amino]-N-methylbenzenesulfonamide;3-[(6,7-dimethoxyquinazolin-4-yl)amino]-4-[ethyl(methyl)amino]-N-methylbenzenesulfonamide .
user
C30H42N8O6S2
assistant