Using (S)-5-(benzyloxy)-2-(((benzyloxy)carbonyl)amino)-5-oxopentanoic acid, tert-butyl N-(L-valyl)-O-(tert-butyl)-L-threoninate to produce tert-butyl (5S,8S,11S)-5-(3-(benzyloxy)-3-oxopropyl)-11-((R)-1-(tert-butoxy)ethyl)-8-isopropyl-3,6,9-trioxo-1-phenyl-2-oxa-4,7,10-triazadodecan-12-oate, 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"
    ]
}
```
