You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 2-[4-[(Z)-[2-(4-fluorophenyl)imino-4-oxo-1,3-thiazolidin-5-ylidene]methyl]phenoxy]acetonitrile ?
user
C18H12FN3O2S
assistant