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 4-[(1S,5S,6S)-3-amino-5-[2-fluoro-5-[(Z)-2-fluoro-2-(5-isocyanopyridin-2-yl)ethenyl]phenyl]-5-methyl-2-thia-4-azabicyclo[4.1.0]hept-3-ene-1-carbonyl]piperazin-2-one .
user
C25H22F2N6O2S
assistant