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 1-[7-[(2-chloro-6-fluorophenyl)methyl]-1,3-dimethyl-2,6-dioxopurin-8-yl]-N-(2-cyanoethyl)piperidine-3-carboxamide .
user
C23H25ClFN7O3
assistant