[{"from": "human", "value": "Describe this molecule. [C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][Branch1][#Branch1][N][C][=Branch1][C][=O][N][N][C][=Branch1][C][=O][N]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion that is the conjugate base of allantoic acid. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a member of ureas and a monocarboxylic acid anion. It is a conjugate base of an allantoic acid."}]