You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-[4-[(3,4-dimethoxyphenyl)methoxy]-3-methoxyanilino]-3-morpholin-4-ylquinoxaline-5-carbonitrile is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H29N5O5
assistant