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 4-(3-methylbutyl)-1-[2-(1-methylpiperidin-2-yl)ethylsulfanyl]-[1,2,4]triazolo[4,3-a]quinazolin-5-one .
user
C22H31N5OS
assistant