You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[[(2S)-2-furo[2,3-c]pyridin-2-yl-1-(5-methoxy-3-oxo-1H-isoindol-2-yl)propan-2-yl]carbamoyl]formamide .
user
C21H20N4O5
assistant