[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][O][/C][=C][\\C][=Branch1][C][=O][O][C][=Branch1][Ring2][=N][/-Ring1][=Branch1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a 1,3-oxazolone derivative having a nitrophenyl substituent at the 2-position, an ethoxymethylene group at the 4-position, and an oxo group at the 5-position. It has a role as a hapten. It is a gamma-lactone and a member of 1,3-oxazoles."}]