You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (2E)-2-[(5E)-4-oxo-3-phenyl-5-[[3-(trifluoromethyl)phenyl]hydrazinylidene]-1,3-thiazolidin-2-ylidene]acetonitrile by IUPAC nomenclature, provide its molecular formula.
user
C18H11F3N4OS
assistant