You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[6-(4-bromophenyl)-3-cyano-4-phenylpyridin-2-yl]sulfanyl-N-(2-iodophenyl)acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H17BrIN3OS
assistant