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 1-(2-amino-2-oxoethyl)-2-[[4-chloro-2-(trifluoromethyl)phenyl]methyl]-N-[(4-ethylsulfonylphenyl)methyl]indole-5-carboxamide ?
user
C28H25ClF3N3O4S
assistant