[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a methyl-branched fatty acid that is pentacosanoic acid substituted by a methyl group at position 24. It is a very long-chain fatty acid, a branched-chain saturated fatty acid, a methyl-branched fatty acid and a fatty acid 26:0. It is functionally related to a pentacosanoic acid."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O]"}]