Using 2-(3-carboxypropyl)benzoic acid, butyl (2R,3R)-3-amino-4-(2-chlorophenyl)-2-hydroxybutanoate to produce 2-(4-(((2R,3R)-4-butoxy-1-(2-chlorophenyl)-3-hydroxy-4-oxobutan-2-yl)amino)-4-oxobutyl)benzoic 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"
    ]
}
```
