[{"from": "human", "value": "Describe this molecule. [C][C][C@H1][Branch1][P][C@@H1][Branch1][Ring2][C][Ring1][Branch1][O][C][P][=Branch1][C][=O][Branch1][C][O][O][N][C][=C][C][=Branch1][C][=O][N][C][Ring1][#Branch1][=O]"}, {"from": "gpt", "value": "The molecule is a phosphonic acid consisting of 1-cyclopentyluracil having a phosphomethoxy group at position 2 on the cyclopentyl ring with (1R,2R)-trans-stereochemistry. It is functionally related to a uracil and a phosphonic acid."}]