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 2-cyclohexyl-N-(2-thiophen-2-yl-5,6-dihydrobenzo[f]quinoxalin-3-yl)acetamide;2-methyl-N-(2-thiophen-2-yl-5,6-dihydrobenzo[f]quinoxalin-3-yl)butanamide;3-methyl-N-(2-thiophen-2-yl-5,6-dihydrobenzo[f]quinoxalin-3-yl)butanamide;N-(2-thiophen-2-yl-5,6-dihydrobenzo[f]quinoxalin-3-yl)acetamide .
user
C84H82N12O4S4
assistant