Using 1-(4-fluorophenyl)-4-(8-methyl-1,3,4,4a,5,9b-hexahydro-2H-pyrido[4,3-b]indol-2-yl)butan-1-one, iodoethane to produce 4-(5-ethyl-8-methyl-1,3,4,4a,5,9b-hexahydro-2H-pyrido[4,3-b]indol-2-yl)-1-(4-fluorophenyl)butan-1-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"
    ]
}
```
