You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(5E)-5-[[3-[(2-chloro-6-fluorophenyl)methoxy]-4-methoxyphenyl]methylidene]-2,4-dioxo-1,3-thiazolidin-3-yl]-N-(5-chloro-2-methylphenyl)acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H21Cl2FN2O5S
assistant