Using 2-(2,5-dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouronium, 3-((3-((17-(tert-butoxy)-17-oxoheptadecyl)amino)-3-oxopropyl)(tert-butoxycarbonyl)amino)propanoic acid to produce tert-butyl 17-(3-((tert-butoxycarbonyl)(3-((2,5-dioxopyrrolidin-1-yl)oxy)-3-oxopropyl)amino)propanamido)heptadecanoate, 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"
    ]
}
```
