[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=Branch1][C][=O][N][C][C][C][C][C][NH3+1]"}, {"from": "gpt", "value": "The molecule is an ammonium ion resulting from the protonation of the primary amino group of N-acetylcadaverine. The major microspecies at pH 7.3. It is functionally related to a cadaverine(2+). It is a conjugate acid of a N-acetylcadaverine."}]