Using 5-(tert-butyl)-3-methyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyridazin-4-one, (4-(bromomethyl)phenyl)(4-fluorophenyl)methanone to produce 5-(tert-butyl)-2-(4-(4-fluorobenzoyl)benzyl)-3-methyl-2,5-dihydro-4H-pyrazolo[3,4-d]pyridazin-4-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"
    ]
}
```
