[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][C][N][C][=Branch1][C][=O][C][=C][N][=C][Branch1][Branch2][C][=Branch1][C][=O][N][Ring1][#Branch1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule is a pyrazinecarboxamide in which a 6-oxo-1,6-dihydropyrazine nucleus is substituted on C-5 by a 4-hydroxyphenyl group and on C-2 by a butylcarbamyl group. A synthetic determinant of cefadroxil, it is a promising tool for determining in vitro cross-reactivity to cefadroxil in amoxicillin-allergic patients."}]