Using diethyl 2,2'-((2S,3R)-2,3-dicarbamoylpiperazine-1,4-diyl)diacetate to produce (12aR,12bS)-tetrahydrodipyrazino[1,2-a:2',1'-c]pyrazine-1,3,10,12(2H,4H,9H,11H)-tetraone, 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"
    ]
}
```
