Using 4-benzyl-6-hydroxy-1-(3-phenylpropyl)piperazin-2-one to produce 2-benzyl-2,3,6,7,8,12b-hexahydrobenzo[c]pyrazino[1,2-a]azepin-4(1H)-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"
    ]
}
```
