You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
benzyl 2-[3-(6-cyano-3,3-dihydroxy-2,2-dimethyl-4H-chromen-4-yl)-6-oxopyridazin-1-yl]acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H23N3O6
assistant