[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a 2-hydroxypenta-2,4-dienoate in which the double bond between positions 2 and 3 has E- (cis-) geometry. It is a 2-hydroxypenta-2,4-dienoate and a 2-hydroxy fatty acid anion. It is a conjugate base of a cis-2-hydroxypenta-2,4-dienoic acid."}, {"from": "gpt", "value": "[C][=C][/C][=C][Branch1][=Branch1][\\C][=Branch1][C][=O][O][/O-1]"}]