Using 2-(((3R,4S)-4-((S)-1-amino-1-(2-fluorophenyl)ethyl)tetrahydrofuran-3-yl)thio)acetonitrile to produce (5S,5aS,8aR)-5-(2-fluorophenyl)-5-methyl-2,5,5a,6,8,8a-hexahydrofuro[3,4-f][1,4]thiazepin-3-amine, 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"
    ]
}
```
