Using (tert-butoxycarbonyl)-L-proline, 2-(benzyloxy)-1-((S)-pyrrolidin-2-yl)ethan-1-ol to produce tert-butyl (2S)-2-((2S)-2-(2-(benzyloxy)-1-hydroxyethyl)pyrrolidine-1-carbonyl)pyrrolidine-1-carboxylate, 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"
    ]
}
```
