You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9-(3,4-diethoxy-5-prop-2-enylphenyl)-10-ethyl-3,4,5,6,7,9-hexahydro-2H-acridine-1,8-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H35NO4
assistant