[{"from": "human", "value": "Could you provide a description of this molecule? [C][=N][C][=C][Branch2][Ring1][Branch1][N][Ring1][Branch1][C@H1][C@@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][O][O][N][=C][Branch1][=Branch1][N][C][Ring1][S][=O][N]"}, {"from": "gpt", "value": "The molecule is a nucleoside comprising guanine attached to a ribose (ribofuranose) ring via a \u03b2-N9-glycosidic bond. Guanosine can be phosphorylated to become GMP (guanosine monophosphate), cGMP (cyclic guanosine monophosphate), GDP (guanosine diphosphate) and GTP (guanosine triphosphate) which are factors in signal transduction pathways."}]