Using methyl 4-((((3-(3-(2,4-dioxo-1,5-bis(2-oxo-2-(pyrrolidin-1-yl)ethyl)-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-3-yl)ureido)benzyl)oxy)carbonyl)amino)butanoate to produce 4-((((3-(3-(2,4-dioxo-1,5-bis(2-oxo-2-(pyrrolidin-1-yl)ethyl)-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-3-yl)ureido)benzyl)oxy)carbonyl)amino)butanoic 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"
    ]
}
```
