You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2R)-1-[cyclohexyl(methyl)amino]-1-oxopropan-2-yl] 2-[(2-methoxybenzoyl)amino]acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H28N2O5
assistant