You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (5Z)-3-[(2-chloro-4-fluorophenyl)methyl]-5-[(4-hydroxy-3-methoxyphenyl)methylidene]-1,3-thiazolidine-2,4-dione ?
user
C18H13ClFNO4S
assistant