You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-N-(4-ethylphenyl)-1-N-(2-methyl-6-propan-2-ylphenyl)cyclopropane-1,2-dicarboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H28N2O2
assistant