You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 3-[4-[(4-methoxyoxan-4-yl)methoxy]-3-nitrophenyl]sulfonyl-2-(1H-pyrrolo[2,3-b]pyridin-5-yloxy)benzamide .
user
C27H26N4O9S
assistant