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 3-ethyl-8-[[2-[4-(hydroxymethyl)piperidin-1-yl]phenyl]methylamino]-6-methoxy-1H-imidazo[4,5-g]quinazoline-2-thione .
user
C25H30N6O2S
assistant