You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[3-[2-[2-chloro-5-(trifluoromethyl)anilino]-2-oxoethyl]sulfanylphenyl]-2-phenoxyacetamide into its molecular formula.
user
C23H18ClF3N2O3S
assistant