Using (5S)-1-(9H-fluoren-9-yl)-5-isopropyl-3,6,12-trioxo-14-phenyl-2,7,13-trioxa-4-azatetradec-10-en-9-yl stearate to produce 5-(((((9H-fluoren-9-yl)methoxy)carbonyl)-L-valyl)oxy)-4-(stearoyloxy)pentanoic 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"
    ]
}
```
