[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][C][C][NH1+1][C][C][C][C][C@H1][Ring1][=Branch1][C][=Branch1][C][=O][N][C][=C][Branch1][Branch2][C][=C][C][=C][Ring1][=Branch1][C][C]"}, {"from": "gpt", "value": "The molecule is the (S)-(-)-enantiomer of bupivacaine(1+). It is a conjugate acid of a levobupivacaine. It is an enantiomer of a dextrobupivacaine(1+)."}]