You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-amino-9-[(1S,4R,5R)-5-hydroxy-4-(hydroxymethyl)cyclohex-2-en-1-yl]-1H-purin-6-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H15N5O3
assistant