[{"from": "human", "value": "Describe this molecule. [C][Branch1][=Branch1][C][=Branch1][C][=O][N][N][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a tricarboxylic acid amide that is a Good's buffer substance, pKa = 6.6 at 20 \u2103. It is a dicarboxylic acid, a tricarboxylic acid amide and an ADA. It is functionally related to a nitrilotriacetic acid. It is a conjugate acid of a 2,2'-[(2-amino-2-oxoethyl)imino]diacetate(1-)."}]