[{"from": "human", "value": "Could you provide a description of this molecule? [2H][C][Branch1][C][2H][Branch1][C][2H][N][C][=Branch1][C][=O][C][=N][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][N][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][Cl][C][Branch1][C][F][Branch1][C][F][F]"}, {"from": "gpt", "value": "The molecule is under investigation in clinical trial NCT03602495 (Donafenib in 131I-Refractory Differentiated Thyroid Cancer)."}]