[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is an organic cation obtained by protonation of the tertiary amino function of 2-dimethylaminoethyl chloride. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of a 2-dimethylaminoethyl chloride."}, {"from": "gpt", "value": "[C][NH1+1][Branch1][C][C][C][C][Cl]"}]