You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 2-(1,5-dimethyl-3-phenylpyrrol-2-yl)-N-[4-(1,3-oxazol-2-yl)phenyl]-2-oxoacetamide is given. What is its corresponding molecular formula?
user
C23H19N3O3
assistant