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 (2S)-N-(1,3-benzodioxol-5-yl)-2-[(5-oxo-4-propyl-[1,2,4]triazolo[4,3-a]quinazolin-1-yl)sulfanyl]propanamide .
user
C22H21N5O4S
assistant