You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9-[3-[(4-methoxyphenyl)-diphenylmethoxy]propyl]-1,4,7-tris[(2-nitrophenyl)sulfonyl]-1,4,7-triazecane is the IUPAC name of a molecule. Please give its molecular formula.
user
C48H48N6O14S3
assistant