[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule are greater on the arteries supplying skeletal muscle than on those supplying skin. It is used in the treatment of peripheral vascular disease and in premature labor."}, {"from": "gpt", "value": "[C][C@H1][Branch1][O][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C@H1][Branch1][C][C][C@H1][Branch1][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O]"}]