You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [2-[[4-(4-methylphenyl)-1,3-thiazol-2-yl]amino]-2-oxoethyl] 2-[(3-methylbenzoyl)amino]acetate into molecular formula.
user
C22H21N3O4S
assistant