You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[[1-(hydroxymethyl)cyclopropyl]methyl]-7-methyl-4-oxopyrido[1,2-a]pyrimidine-3-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H17N3O3
assistant