Using (3S,9aS)-8-(tert-butoxycarbonyl)-3-(3-cyano-4-fluoro-2-methylphenyl)octahydro-5H-pyrazino[2,1-c][1,4]thiazine 5-oxide 2,2-dioxide to produce tert-butyl (3S,9aS)-3-(3-cyano-4-fluoro-2-methylphenyl)hexahydropyrazino[2,1-c][1,4]thiazine-8(1H)-carboxylate 2,2-dioxide, 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"
    ]
}
```
