[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a pentadecenoic acid in which the olefinic double bond is at position 2 and has E configuration. It is a pentadecenoic acid and an alpha,beta-unsaturated monocarboxylic acid."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][/C][=C][/C][=Branch1][C][=O][O]"}]