You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3-[[[1-(furan-2-ylmethyl)tetrazol-5-yl]methyl-[(4-methoxyphenyl)methyl]amino]methyl]-7-methoxy-1H-quinolin-2-one by IUPAC nomenclature, provide its molecular formula.
user
C26H26N6O4
assistant