User: I'm looking for the SMILES of a molecule that can be described by:
The molecule is zwitterionic form of guanidinoacetic acid having an anionic carboxy group and a protonated guanidino group; major species at pH 7.3. It is a tautomer of a guanidinoacetic acid.
Assistant: This is a molecule that fits your description: NC(N)=[NH+]CC(=O)[O-]
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that can be described {#by|as!}:
{description#}
Assistant: This is a molecule that fits {#your|this!} description: {SMILES#}
2-(diaminomethylideneazaniumyl)acetate
The molecule is zwitterionic form of guanidinoacetic acid having an anionic carboxy group and a protonated guanidino group; major species at pH 7.3. It is a tautomer of a guanidinoacetic acid.