[{"from": "human", "value": "Describe this molecule. [C][C][=N][C][=C][Branch1][Ring2][N][Ring1][Branch1][C][C][N][Branch1][O][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][N][C][=Branch1][C][=O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a non-peptide inhibitor of antidiuretic hormone (vasopressin). It was approved in 2004 for hyponatremia (low blood sodium levels) caused by syndrome of inappropriate antidiuretic hormone (SIADH). Conivaptan inhibits both isotypes of the vasopressin receptor (V1a and V2)."}]