You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[(2-methoxyphenyl)methyl]-1-(oxan-2-ylmethylsulfanyl)-[1,2,4]triazolo[4,3-a]quinazolin-5-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H24N4O3S
assistant