You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-(2-methyl-4-oxoquinazolin-3-yl)-N-[4-(4-methylsulfanylphenyl)-1,3-thiazol-2-yl]benzamide into molecular formula.
user
C26H20N4O2S2
assistant