[{"from": "human", "value": "What can you tell me about this molecule? [C][C][Branch1][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C@H1][C][C][C][C][=C][C][=C][C][=C][Ring1][#Branch2][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a 2-methyl-2-[4-(1,2,3,4-tetrahydronaphthalen-1-yl)phenoxy]propanoic acid that has R configuration at the chiral centre. It is an enantiomer of a (S)-nafenopin."}]