Using benzyl tert-butyl ((11S,18S)-11-((tert-butoxycarbonyl)amino)-2,2-dimethyl-4,9,17-trioxo-3-oxa-5,8,16-triazahenicosane-18,21-diyl)dicarbamate to produce tert-butyl ((11S,18S)-18-amino-11-((tert-butoxycarbonyl)amino)-2,2-dimethyl-4,9,17-trioxo-3-oxa-5,8,16-triazahenicosan-21-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"
    ]
}
```
