You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (5S,5aS,8aR,9S)-5-(4-bromoanilino)-9-(2-chloro-4-hydroxy-3,5-dimethoxyphenyl)-5a,6,8a,9-tetrahydro-5H-[2]benzofuro[5,6-f][1,3]benzodioxol-8-one ?
user
C27H23BrClNO7
assistant