[{"from": "human", "value": "Describe this molecule. [C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C@H1][Branch1][C][C][N][C][=Branch1][C][=O][C@H1][Branch1][=Branch1][C][Branch1][C][C][C][N][C][=Branch1][C][=O][O][C][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is the stereoisomer of isopropyl (3-methyl-1-{[1-(4-methylphenyl)ethyl]amino}-1-oxobutan-2-yl)carbamate resulting from the formal condensation of L-valine N(alpha)-isopropyl carbamate with (1S)-1-(p-tolyl)ethylamine."}]