Using methyl 2-(7-chloro-1,2,3,4-tetrahydrocyclopenta[b]indol-2-yl)-2-(phenylsulfonyl)propanoate, di-tert-butyl dicarbonate to produce tert-butyl 7-chloro-2-(1-methoxy-1-oxo-2-(phenylsulfonyl)propan-2-yl)-2,3-dihydrocyclopenta[b]indole-4(1H)-carboxylate, 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"
    ]
}
```
