You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 2-[3-cyano-4-(4-methoxyphenyl)-6-phenylpyridin-2-yl]sulfanyl-N-(2,3-dichlorophenyl)butanamide ?
user
C29H23Cl2N3O2S
assistant