[{"from": "human", "value": "Describe this molecule. [C][C][C][O][C][=C][Branch1][#Branch2][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][O][C][C][N][Branch1][Ring1][C][C][C][C]"}, {"from": "gpt", "value": "The molecule is a para-aminobenzoic acid ester with local anesthetic activity. Propoxycaine binds to and inhibits voltage-gated sodium channels, thereby inhibiting the ionic flux required for the initiation and conduction of impulses. This results in a loss of sensation."}]