[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C@H1][Branch2][Ring1][Ring1][N][Branch1][Ring2][C][Ring1][Branch1][C][=Branch1][C][=O][C][N][C][=Branch1][C][=O][C][NH3+1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a tripeptide zwitterion resulting from the transfer of a proton from the carboxy group to the amino group of Gly-Gly-Pro. Major microspecies at pH 7.3. It is a tautomer of a Gly-Gly-Pro."}]