You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[5-[2-(4-bromophenyl)-2-oxoethyl]-3-cyano-4,6-dimethylpyridin-2-yl]sulfanyl-N-(4-chlorophenyl)acetamide into molecular formula.
user
C24H19BrClN3O2S
assistant