Using 9-(3-bromopropyl)-2-butoxy-8-methoxy-9H-purin-6-amine, tert-butyl 2-benzyl-4-methylpiperazine-1-carboxylate to produce 6-amino-9-(3-(2-benzyl-4-methylpiperazin-1-yl)heptyl)-2-butoxy-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"
    ]
}
```
