[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][O][C][=Branch1][C][=O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N]"}, {"from": "gpt", "value": "The molecule is an ester local anesthetic that acts by preventing transmission of impulses along nerve fibers and at nerve endings. It is commonly used for local anesthesia in many over the counter products. Benzocaine was first used for local anesthesia in dentistry."}]