You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-(4-ethylpiperazin-1-yl)-7-(furan-2-yl)-4-(4-methylanilino)-7,8-dihydro-6H-quinazolin-5-one ?
user
C25H29N5O2
assistant