You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5R,7R)-5-hydroxy-6-(hydroxymethyl)-N-[(1-hydroxy-2,2,6,6-tetramethylpiperidin-4-ylidene)amino]-9-(3,4,5-trimethoxyphenyl)-5,6,7,8-tetrahydrobenzo[f][1,3]benzodioxole-7-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C31H41N3O9
assistant