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-[(1R,2R,9R,10R,11R)-6-oxo-3,7-dithia-5-azatetracyclo[9.2.1.02,10.04,8]tetradec-4(8)-en-9-yl]benzohydrazide .
user
C18H19N3O2S2
assistant