[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][C][N][C][=Branch1][C][=O][C@H1][Branch1][Ring1][C][O][N][C][=Branch1][C][=O][C@@H1][Branch1][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][N]"}, {"from": "gpt", "value": "The molecule is a dipeptide consisting of N-butyl-L-serinamide having an (R)-2-amino-2-(4-hydroxyphenyl)acetyl residue attached to its alpha-amino nitrogen. A synthetic determinant of cefadroxil, it is a promising tool for determining in vitro cross-reactivity to cefadroxil in amoxicillin-allergic patients. It is a L-serine derivative and a dipeptide. It derives from a hydride of a Gly-Ser."}]