You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(3R,4S)-3-hydroxyoxan-4-yl]-6-[[4-(5-methylpyridin-3-yl)phenyl]methyl]pyrido[3,2-h]quinazolin-4-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H26N4O3
assistant