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 methyl 2-[[2-(2,4,6-trimethylphenyl)acetyl]amino]-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxylate .
user
C22H27NO3S
assistant