Using 2,5-dioxopyrrolidin-1-yl acetate, (6S,9S,12S)-6-isopropyl-2,2,9-trimethyl-12-((4-nitrophenyl)carbamoyl)-4,7,10-trioxo-3-oxa-5,8,11-triazatetradecan-14-oic acid to produce (S)-3-((S)-2-((S)-2-acetamido-3-methylbutanamido)propanamido)-4-((4-nitrophenyl)amino)-4-oxobutanoic acid, 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"
    ]
}
```
