You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [2-[benzyl(propan-2-yl)amino]-2-oxoethyl] 5-amino-3-methyl-1,2-oxazole-4-carboxylate by IUPAC nomenclature, provide its molecular formula.
user
C17H21N3O4
assistant