[{"from": "human", "value": "Describe this molecule. [C][NH2+1][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an alpha-amino-acid cation that is the conjugate acid of sarcosine, arising from protonation of the amino group. It has a role as a human metabolite. It is a conjugate acid of a sarcosine."}]