[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a new, highly specific and potent CCK-A receptor antagonist."}, {"from": "gpt", "value": "[C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=C][Branch1][#Branch2][N][Ring1][=Branch1][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][N][C][=N][C][=Branch1][Branch1][=C][S][Ring1][Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][Cl]"}]