You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 5-(hydroxymethyl)-2-methyl-4-[(E)-(1,4,5,6-tetrahydropyrimidin-2-ylhydrazinylidene)methyl]pyridin-3-ol into its molecular formula.
user
C12H17N5O2
assistant