[{"from": "human", "value": "Provide a description of this molecule. [C][C][N][Branch1][Ring2][C][Ring1][Ring2][C][=N][C][=Branch2][Ring1][=Branch1][=N][C][=C][Ring1][=Branch1][N][=C][N][Ring1][Branch1][C@@H1][C][C@@H1][Branch1][Branch1][C][=C][Ring1][Branch1][C][O][N]"}, {"from": "gpt", "value": "The molecule is a 2,6-diaminopurine that is an analogue of abacavir in which the cyclopropylamino group at position 6 of the purine moiety is replaced by an azetidin-1-yl group. One of a series of synthesised abacavir analogues with antiviral activity found to stimulate IFN-gamma secretion in abacavir-responsive clones. It has a role as an antiviral agent. It is functionally related to an abacavir."}]