You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-[3-[(10S)-2-ethyl-3,3,7,7-tetramethyl-1,9-dioxo-4,6,8,10-tetrahydrochromeno[3,2-c]pyridin-10-yl]-4-methoxy-2-methylphenyl]-3-methylpyridine-2-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C33H38N2O6
assistant