[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][C][=Branch2][Ring1][#Branch1][=C][Branch1][#C][C][=C][Ring1][=Branch1][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][N+1][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is a tyrosine derivative with a nitro group attached to carbon 3 on the phenyl ring that is a product of tyrosine nitration mediated by reactive nitrogen species, including peroxynitrite anion and nitrogen dioxide. 3-nitrotyrosine is a biomarker of cell damage, inflammation, and NO (nitric oxide) production; it is overproduced in many diseases where oxidative stress plays a key role."}]