You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N,N-diethyl-4-(4-nitro-3-phenyl-4,5-dihydro-1,2-oxazol-5-yl)aniline is given. What is its corresponding molecular formula?
user
C19H21N3O3
assistant