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 5-[[[4-[[4-(2,3-dichlorophenyl)-3-(dimethylamino)butyl]-sulfinoamino]benzoyl]amino]methyl]-2-(trifluoromethyl)pyridine .
user
C26H27Cl2F3N4O3S
assistant