[{"from": "human", "value": "Provide a description of this molecule. [2H][C][Branch1][C][2H][Branch1][=Branch1][C][=Branch1][C][=O][O][C][Branch1][C][2H][Branch1][C][2H][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a deuterated compound that is succinic acid in which the four methylene hydrogens are replaced by deuterium. It is a deuterated compound, an alpha,omega-dicarboxylic acid and a C4-dicarboxylic acid."}]