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 (1S,5S,6S)-5-(5-amino-2,3-difluorophenyl)-1-(fluoromethyl)-5-methyl-2-thia-4-azabicyclo[4.1.0]hept-3-en-3-amine .
user
C13H14F3N3S
assistant