You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[1-(2,5-dimethylphenyl)ethyl]-2-[(5-oxo-4-prop-2-enyl-[1,2,4]triazolo[4,3-a]quinazolin-1-yl)sulfanyl]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H25N5O2S
assistant