[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][C][Branch1][Ring2][C][Ring1][Branch1][C][=C][Branch2][Ring2][Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][C][=C][Ring1][#Branch1][C][C][C@@H1][Ring1][Branch1][C][C][=Branch1][C][=O][O][C][Branch1][C][F][Branch1][C][F][F]"}, {"from": "gpt", "value": "The molecule is under investigation in clinical trial NCT03945188 (Etrasimod Versus Placebo for the Treatment of Moderately to Severely Active Ulcerative Colitis)."}]