[{"from": "human", "value": "Provide a description of this molecule. [C][C@@H1][C][N][Branch2][Ring1][Branch1][C][C][C@@][Ring1][=Branch1][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][C][C][C][Branch1][Branch1][C][C][Ring1][=Branch1][Branch1][Ring1][C][#N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][F]"}, {"from": "gpt", "value": "The molecule is a selective second-generation H1-receptor antagonist used for allergic conjunctivitis. Levocabastine was discovered at Janssen Pharmaceutica in 1979."}]