You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named tert-butyl 2-[[3-(carbamoylamino)-3-(2-methylphenyl)propanoyl]-[2-(dimethylamino)ethyl]amino]acetate is given. What is its corresponding molecular formula?
user
C21H34N4O4
assistant