You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
7-[2-[4-[2-(1,2,3,4-tetrahydroacridin-9-ylamino)ethyl]piperazin-1-yl]ethoxy]chromen-2-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C30H34N4O3
assistant