[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@@H1][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][NH3+1]"}, {"from": "gpt", "value": "The molecule is an ammonium ion resulting from the protonation of the amino group of (S)-1-phenylethanamine; major microspecies at pH 7.3. It is a conjugate acid of a (1S)-1-phenylethanamine. It is an enantiomer of a (1R)-1-phenylethanaminium."}]