[{"from": "human", "value": "Provide a brief overview of this molecule. [C][N][Branch1][C][C][C][C][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is an L-lysine derivative comprising L-lysine having two methyl substituents attached to the side-chain amino group. It is a L-lysine derivative and a non-proteinogenic L-alpha-amino acid. It is a conjugate base of a N(6),N(6)-dimethyl-L-lysinium."}]