[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][=C][Branch1][#Branch2][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][F][O][C@H1][Ring1][O][C@H1][Branch2][Ring1][N][C][N][C][C@@H1][Branch2][Ring1][Ring2][C@@H1][C][C][C][=C][Branch1][Ring2][O][Ring1][=Branch1][C][=C][C][=Branch1][Ring2][=C][Ring1][#Branch1][F][O][O]"}, {"from": "gpt", "value": "The molecule is a 2,2'-iminobis[1-(6-fluoro-3,4-dihydro-2H-chromen-2-yl)ethanol] that has (1S,1'S,2R,2'S)-configuration. It is a conjugate base of a (R,S,S,S)-nebivolol(1+). It is an enantiomer of a (S,R,R,R)-nebivolol."}]