Using (3S,4S)-3-(2-fluoro-4-(methylsulfonyl)phenoxy)-4-hydroxy-1-(piperidin-4-yl)pyrrolidin-2-one, 2,5-dichloropyrazine to produce (3S,4S)-1-(1-(5-chloropyrazin-2-yl)piperidin-4-yl)-3-(2-fluoro-4-(methylsulfonyl)phenoxy)-4-hydroxypyrrolidin-2-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"
    ]
}
```
