You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
chloro-[(E)-4-methylidenehept-2-en-5-yn-2-yl]-(2,3,4,5-tetrahydro-1,4-thiazepin-6-yl)phosphane The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H17ClNPS
assistant