You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (5Z)-3-[(6-chloro-1,3-benzodioxol-5-yl)methyl]-5-[[2-[(4-fluorophenyl)methoxy]-3-methoxyphenyl]methylidene]-1,3-thiazolidine-2,4-dione by IUPAC nomenclature, provide its molecular formula.
user
C26H19ClFNO6S
assistant