Using (R)-1,8-dibenzyl-2-bromo-4-propyl-1,4,7,8-tetrahydro-5H-imidazo[2,1-i]purin-5-one, pyrrolidine to produce (R)-1,8-dibenzyl-4-propyl-2-(pyrrolidin-1-yl)-1,4,7,8-tetrahydro-5H-imidazo[2,1-i]purin-5-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"
    ]
}
```
