Using (R)-2-((tert-butoxycarbonyl)amino)-3-(4-methoxyphenyl)propanoic acid, 1-(4-cyclohexylpiperidin-4-yl)butan-1-one to produce tert-butyl (R)-(1-(4-butyryl-4-cyclohexylpiperidin-1-yl)-3-(4-methoxyphenyl)-1-oxopropan-2-yl)carbamate, 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"
    ]
}
```
