Using (R)-2-((tert-butoxycarbonyl)amino)-2-(4-(2-morpholinoethoxy)phenyl)acetic acid, (2S,3S)-2-((R)-4-(4-methoxyphenyl)-2,5-dioxoimidazolidin-1-yl)-3-phenyl-N-(4-propionylthiazol-2-yl)butanamide to produce tert-butyl ((R)-1-(4-(2-morpholinoethoxy)phenyl)-2-oxo-2-(((2S,3S)-1-oxo-3-phenyl-1-((4-propionylthiazol-2-yl)amino)butan-2-yl)amino)ethyl)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"
    ]
}
```
