[{"from": "human", "value": "Please give me some details about this molecule. [C][C][O][C][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][O][C][C][O][C][C][O][Ring2][Ring1][Ring1]"}, {"from": "gpt", "value": "The molecule is a crown ether that is 15-crown-5 ortho-fused to a benzene ring."}]