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 (6S,6aS,10aR)-6-(5-hydroxy-1H-indol-3-yl)-7,7-dimethyl-6,6a,8,9,10,10a-hexahydro-5H-indeno[2,1-b]indol-2-ol ?
user
C25H26N2O2
assistant