[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][Branch2][Ring2][=Branch2][C][N][C][C][N][Branch2][Ring1][O][C][C][N][Branch1][S][C][C][N][Branch1][Branch1][C][C][Ring1][N][C][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is a tricarboxylic acid that consists of 1,4,7,10-tetraazacyclododecane bearing three carboxymethyl substituents at positions 1, 4 and 7 as well as a 2-hydroxypropyl group at position 10. It is a conjugate acid of a HP-DO3A(3-). It derives from a hydride of a 1,4,7,10-tetraazacyclododecane."}]