[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][C@@H1][Branch2][Ring2][P][C@@H1][Branch2][Ring2][N][C@H1][Ring1][Branch1][N][C][C][=C][N][Branch1][P][C][=C][Ring1][Branch1][C][=Branch1][C][=O][N][C][=Branch1][Ring2][=N][Ring1][#Branch1][N][C@H1][C@@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a nucleoside found in tRNA that has an additional cyclopentenyl ring added via an NH group to the methyl group of 7-methyl-7-deazaguanosine. The cyclopentenyl ring may carry other substituents."}]