Using 5-ethyl-1-(4-fluorophenyl)-5,7,8,9-tetrahydrocyclohepta[f]indazol-6(1H)-one, but-3-en-2-one to produce 12b-ethyl-9-(4-fluorophenyl)-1,5,6,7,9,12b-hexahydrobenzo[6,7]cyclohepta[1,2-f]indazol-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"
    ]
}
```
