[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is under investigation in clinical trial NCT02698644 (Hysteroscopic Tubal Occlusion With the Use of Iso Amyl-2-cyanoacrylate)."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C][C][O][C][=Branch1][C][=O][C][=Branch1][C][=C][C][#N]"}]