You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[4-[(Z)-[3-(2-fluorophenyl)-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene]methyl]-2-methoxyphenoxy]acetic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H14FNO5S2
assistant