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 (3aS,4R,7aR)-5-[(1R,4E)-4-[(5-bromo-2-hydroxyphenyl)methylidene]-1-hydroxyheptyl]-4-(hydroxymethyl)-6-methyl-2-phenyl-3a,4,7,7a-tetrahydroisoindole-1,3-dione .
user
C30H34BrNO5
assistant