Using N-(((9H-fluoren-9-yl)methoxy)carbonyl)-O-(tert-butyl)-L-threonine, tert-butyl ((S)-5-amino-6-((S)-2-((S)-2-(((S)-6,6-dimethyl-5-oxo-1-(3-((2,2,5,7,8-pentamethylchroman-6-yl)sulfonyl)guanidino)heptan-4-yl)carbamoyl)pyrrolidine-1-carbonyl)pyrrolidin-1-yl)-6-oxohexyl)carbamate to produce tert-butyl ((S)-5-((2S,3R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butoxy)butanamido)-6-((S)-2-((S)-2-(((S)-6,6-dimethyl-5-oxo-1-(3-((2,2,5,7,8-pentamethylchroman-6-yl)sulfonyl)guanidino)heptan-4-yl)carbamoyl)pyrrolidine-1-carbonyl)pyrrolidin-1-yl)-6-oxohexyl)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"
    ]
}
```
