You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (4R)-6-[2-(4-bromoanilino)-2-oxoethyl]sulfanyl-5-cyano-N-(2-methoxyphenyl)-2-methyl-4-(5-methylfuran-2-yl)-1,4-dihydropyridine-3-carboxamide .
user
C28H25BrN4O4S
assistant