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 3-[3-cyano-4-methyl-6-(trifluoromethyl)pyridin-2-yl]sulfanyl-N-(4-methoxyphenyl)propanamide ?
user
C18H16F3N3O2S
assistant