[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a (2-chloro-5-oxo-2,5-dihydro-2-furyl)acetate obtained by deprotonation of the carboxy group of (R)-(2-chloro-5-oxo-2,5-dihydro-2-furyl)acetic acid; major species at pH 7.3. It has a role as a bacterial metabolite. It is a conjugate base of a (R)-(2-chloro-5-oxo-2,5-dihydro-2-furyl)acetic acid."}, {"from": "gpt", "value": "[C][=C][C@@][Branch1][=Branch1][O][C][Ring1][Branch1][=O][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][Cl]"}]