Using N2-butyl-8-methoxy-9-((tetrahydro-2H-pyran-2-yl)methyl)-9H-purine-2,6-diamine to produce 6-amino-2-(butylamino)-9-((tetrahydro-2H-pyran-2-yl)methyl)-7,9-dihydro-8H-purin-8-one, please predict the condition, including solvent and agent in SMILES notation in json format like:

```JSON
{
    "solvent": [
        "CCN(CC)CC",
        "CCOC(C)=O"
    ],
    "agent": [
        "On1nnc2ccccc21",
        "C(=NC1CCCCC1)=NC1CCCCC1",
        "Cl"
    ]
}
```
