Using ethyl 2-iodoacetate, tert-butyl ((2R,4S,5S,7S)-7-(4-(tert-butyl)-3-hydroxybenzyl)-1-(butylamino)-4-hydroxy-2,8-dimethyl-1-oxononan-5-yl)carbamate to produce ethyl 2-(5-((2S,4S,5S,7R)-4-((tert-butoxycarbonyl)amino)-8-(butylamino)-5-hydroxy-2-isopropyl-7-methyl-8-oxooctyl)-2-(tert-butyl)phenoxy)acetate, 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"
    ]
}
```
