[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is an organoammonium salt resulting from the mixing of equimolar amounts of methanesulfonic acid and ethylamine. It contains an ethylaminium."}, {"from": "gpt", "value": "[C][C][NH3+1].[C][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}]