[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is an alpha,omega-dicarboxylic acid that is glutaric acid substituted by two methyl groups at the C-3 position. It has a role as a metabolite. It is functionally related to a glutaric acid."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][O]"}]