Using tert-butyl 4-(2-(4-((2-chloro-4-nitro-1H-imidazol-1-yl)methyl)-4-hydroxypiperidin-1-yl)-2-oxoethyl)piperazine-1-carboxylate to produce tert-butyl 4-(2-(6-nitro-3H-spiro[imidazo[2,1-b]oxazole-2,4'-piperidin]-1'-yl)-2-oxoethyl)piperazine-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"
    ]
}
```
