[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is under investigation in clinical trial NCT00518921 (Capadenoson in Angina Pectoris)."}, {"from": "gpt", "value": "[C][=C][C][=Branch2][Ring2][P][=C][C][=C][Ring1][=Branch1][C][=C][Branch2][Ring2][Branch1][C][=Branch2][Ring1][S][=N][C][=Branch1][=Branch1][=C][Ring1][=Branch1][C][#N][S][C][C][=C][S][C][=Branch1][Ring2][=N][Ring1][Branch1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][Cl][N][C][#N][O][C][C][O]"}]