You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-[[4-[(3-cyanophenyl)methoxy]-3-methoxyphenyl]methyl]-3-morpholin-4-ylquinoxaline-5-carbonitrile is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H25N5O3
assistant