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-[5-[(4-methylphenyl)methyl]-1,3-thiazol-2-yl]benzamide into molecular formula.
user
C27H22N4O2S
assistant