You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4R)-5-(2-hydroxyethyl)-3-(2-hydroxy-5-methylphenyl)-4-(3-propoxyphenyl)-1,4-dihydropyrrolo[3,4-c]pyrazol-6-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H25N3O4
assistant