You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [2-[methyl-[2-(4-methylanilino)-2-oxoethyl]amino]-2-oxoethyl] (E)-3-(1,3-benzoxazol-2-yl)prop-2-enoate .
user
C22H21N3O5
assistant