Using 2-(2-(methylamino)ethyl)-6-(4-methylthiophen-2-yl)pyridazin-3(2H)-one, 2-chloro-4-fluoropyridine to produce 2-(2-((2-chloropyridin-4-yl)(methyl)amino)ethyl)-6-(4-methylthiophen-2-yl)pyridazin-3(2H)-one, 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"
    ]
}
```
