You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methyl-N-[(1R)-2,2,2-trichloro-1-[(3-methylphenyl)carbamothioylamino]ethyl]propanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H18Cl3N3OS
assistant