Using ethyl 2-(5-chloro-2-((2,3-difluoro-6-methoxybenzyl)oxy)-4-(2-(1-hydroxyethyl)-6-methoxy-8-oxo-7,8-dihydro-9H-purin-9-yl)phenoxy)acetate to produce ethyl 2-(4-(2-acetyl-6-methoxy-8-oxo-7,8-dihydro-9H-purin-9-yl)-5-chloro-2-((2,3-difluoro-6-methoxybenzyl)oxy)phenoxy)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"
    ]
}
```
