[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch1][C][O][O]"}, {"from": "gpt", "value": "The molecule is a saturated solution of formaldehyde, water, and typically another agent, most commonly methanol. In its typical form, formalin is 37% formaldehyde by weight (40% by volume), 6-13% methanol, and the rest water."}]