[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][Branch1][C][C][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C]"}, {"from": "gpt", "value": "The molecule is a leucine derivative obtained by replacement of one of the amino hydrogens of leucine by a methyl group. It is a leucine derivative, a secondary amino compound and an amino acid."}]