You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 7-(diethylamino)-3-[5-[7-(diethylamino)-4-methyl-2-oxochromen-3-yl]naphthalen-1-yl]-4-methylchromen-2-one .
user
C38H38N2O4
assistant