[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a highly polar organic liquid that is used widely as a chemical solvent and a free radical scavenger. It shows a range of pharmacological activity including analgesia and anti-inflammation. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect cells and tissue during cryopreservation and has been used to treat extravasation damage caused by anthracycline-based chemotherapy."}, {"from": "gpt", "value": "[C][S][=Branch1][C][=O][C]"}]