You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 2-[5-[1-[(6,8-dimethyl-2-oxo-1H-quinolin-3-yl)methyl-(furan-2-ylmethyl)amino]butyl]tetrazol-1-yl]acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H32N6O4
assistant