Using 1,2,3,4,4a,5-hexahydrobenzo[b]pyrazino[1,2-d][1,4]diazepin-6(7H)-one, bromoethane to produce 3-ethyl-1,2,3,4,4a,5-hexahydrobenzo[b]pyrazino[1,2-d][1,4]diazepin-6(7H)-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"
    ]
}
```
