You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-benzyl-4-(2,4-dimethoxyphenyl)-10-methyl-3-oxo-5H-[1,4]thiazepino[7,6-b]indole-5-carboxamide ?
user
C28H27N3O4S
assistant