You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[2-(3,4-dimethylanilino)-2-oxoethyl]-4-methyl-N-[(3-methylphenyl)methyl]-1,3-thiazole-5-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H25N3O2S
assistant