Using (R)-5-(tert-butoxy)-2-((tert-butoxycarbonyl)amino)-5-oxopentanoic acid, 1-butyl-N-(2-hydroxyethyl)-4-(3-(4-(trifluoromethoxy)phenyl)ureido)-1H-imidazole-2-carboxamide to produce (R)-4-amino-5-(2-(1-butyl-4-(3-(4-(trifluoromethoxy)phenyl)ureido)-1H-imidazole-2-carboxamido)ethoxy)-5-oxopentanoic acid, 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"
    ]
}
```
