[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][Branch1][C][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a highly carboxylated polymer composed of lightly cross-linked polyacrylic acid with a broad-spectrum mechanism based on acidification of pathogens. It was under development by ReProtect LLC. It is a gel that may help both block the spread of sexually transmitted diseases and reduce unwanted pregnancies. The compound, known as BufferGel, was in advanced clinical trials for its ability to prevent pregnancy, but was discontinued."}]