Using ((5R,6S)-5-(4-chloro-3-fluorophenyl)-6-(6-chloropyridin-3-yl)-3-isopropyl-6-methyl-5,6-dihydroimidazo[2,1-b]thiazol-2-yl)((2S,4R)-4-fluoro-2-((S)-6-methyl-4,7-diazaspiro[2.5]octane-7-carbonyl)pyrrolidin-1-yl)methanone, thf to produce 7-benzyl-4,7-diazaspiro[2.5]octane, 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"
    ]
}
```
