[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is major microspecies at pH 7.3. It is a conjugate acid of a N(6),N(6)-dimethyl-L-lysine."}, {"from": "gpt", "value": "[C][NH1+1][Branch1][C][C][C][C][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1]"}]