You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(3H-1,2-benzodioxol-4-yl)-6-methoxy-7-[2-(4-methylpiperazin-1-yl)ethoxy]-1,2-dihydroquinazolin-4-imine is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H29N5O4
assistant