You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[2-iodo-4-[(Z)-[3-[(4-iodophenyl)methyl]-2,4-dioxo-1,3-thiazolidin-5-ylidene]methyl]-6-methoxyphenoxy]methyl]benzonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H18I2N2O4S
assistant