Using 6-chloro-7H-purine, (3R,4S,5S)-4-azido-5-(methylcarbamoyl)tetrahydrofuran-2,3-diyl diacetate to produce (2R,3R,4S,5S)-4-azido-2-(6-chloro-9H-purin-9-yl)-5-(methylcarbamoyl)tetrahydrofuran-3-yl acetate, 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"
    ]
}
```
