[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][N][Branch2][Ring2][#Branch1][C][C][N][Branch2][Ring1][O][C][C][C][N][Branch1][#C][C][C][N][Branch1][Ring2][C][Ring1][=C][C][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an azamacrocyle in which four nitrogen atoms at positions 1, 4, 8 and 11 of a fouteen-membered ring are each substituted with a carboxymethyl group. It has a role as a chelator and a copper chelator. It derives from a hydride of a 1,4,8,11-tetraazacyclotetradecane."}]