You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[2-hydroxy-4-(hydroxymethyl)cyclopentyl]-6-(4-propylphenyl)-5H-triazolo[4,5-c]pyridin-4-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H24N4O3
assistant