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 8-[4-[2-(dimethylamino)ethoxy]-2-fluorophenyl]-N-(4-piperazin-1-ylphenyl)pyrido[3,4-d]pyrimidin-2-amine .
user
C27H30FN7O
assistant