You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]-N-ethyl-4-(ethylamino)pyrimidine-5-carboxamide;hydrochloride .
user
C23H32ClN9O3
assistant