[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@@H1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][Ring1][#C][C][=Branch1][Branch1][=N][Ring2][Ring1][C][N]"}, {"from": "gpt", "value": "The molecule is an epinastine that has S configuration at the chiral centre. It is an enantiomer of a R-epinastine."}]