Using ((12S)-12-((tert-butoxycarbonyl)amino)-19,19-dimethyl-3,9,17-trioxo-1-phenyl-2,18-dioxa-4,10,16-triazaicosan-7-yl)(tert-butyl)carbamate to produce di-tert-butyl ((4S)-5-(3-amino-5-((tert-butoxycarbonyl)amino)pentanamido)pentane-1,4-diyl)dicarbamate, 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"
    ]
}
```
