You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (4-buta-1,3-dien-2-ylpiperazin-1-yl)-[2-methoxy-4-methyl-5-[[2-(pyridin-2-ylamino)-1,3-thiazol-5-yl]sulfanyl]phenyl]methanone into its molecular formula.
user
C25H27N5O2S2
assistant