You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-[4-[(5Z)-4-methylidene-5-[(Z)-1-(5-methylsulfonylpyridin-3-yl)but-2-enylidene]furan-2-yl]phenyl]piperazine .
user
C25H27N3O3S
assistant