You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 2-[4-(2,4-dimethylphenyl)-1-ethyl-2,5-dioxo-4,7-dihydro-3H-pyrrolo[3,4-d]pyrimidin-6-yl]-N-(2-methylpropyl)-3-phenylpropanamide ?
user
C29H36N4O3
assistant