Using butyl 2-hydroxyacetate, 3-chloro-2-(2,4-difluoro-5-nitrophenyl)-4,5,6,7-tetrahydro-2H-indazole to produce butyl 2-(4-(3-chloro-4,5,6,7-tetrahydro-2H-indazol-2-yl)-5-fluoro-2-nitrophenoxy)acetate, 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"
    ]
}
```
