Using ethyl 4-(3-butyl-8-chloro-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl)butanoate, 2-(2,3-dichlorophenyl)-N-hydroxyacetimidamide to produce 3-butyl-8-chloro-1-(3-(3-(2,3-dichlorobenzyl)-1,2,4-oxadiazol-5-yl)propyl)-3,7-dihydro-1H-purine-2,6-dione, 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"
    ]
}
```
