Using 2-(1-methyl-6-nitro-1H-indol-3-yl)-2-oxoacetyl chloride, isopropyl 2-(6-methoxy-1-methyl-1H-indol-3-yl)acetimidate to produce 3-(6-methoxy-1-methyl-1H-indol-3-yl)-4-(1-methyl-6-nitro-1H-indol-3-yl)-1H-pyrrole-2,5-dione, 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"
    ]
}
```
