Using 2-((2-bromo-4-chloro-5-nitrophenoxy)methyl)-3,4-difluoro-1-methoxybenzene, (4-ethoxy-4-oxobutyl)zinc(II) to produce ethyl 4-(5-chloro-2-((2,3-difluoro-6-methoxybenzyl)oxy)-4-nitrophenyl)butanoate, 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"
    ]
}
```
