Using tert-butyl (S)-2-(2-((3-amino-2,2-dimethyl-3-oxopropyl)amino)-2-oxoethyl)-4-(2-(3-fluoro-2-methylbenzyl)-1-phenylindolizine-3-carbonyl)piperazine-1-carboxylate to produce (S)-3-(2-(4-(2-(3-fluoro-2-methylbenzyl)-1-phenylindolizine-3-carbonyl)piperazin-2-yl)acetamido)-2,2-dimethylpropanamide, 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"
    ]
}
```
