Using ammonium, tert-butyl (2S)-2-((1-(4-bromophenyl)-4-methoxy-1,4-dioxobutan-2-yl)carbamoyl)pyrrolidine-1-carboxylate to produce tert-butyl (S)-2-(4-(4-bromophenyl)-5-(2-methoxy-2-oxoethyl)-1H-imidazol-2-yl)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"
    ]
}
```
