Using 1'-(piperidin-4-ylmethyl)-5,6-dihydro-2H-spiro[benzo[1,2-b:5,4-b']difuran-3,3'-indolin]-2'-one, acetone to produce 1'-((1-isopropylpiperidin-4-yl)methyl)-5,6-dihydro-2H-spiro[benzo[1,2-b:5,4-b']difuran-3,3'-indolin]-2'-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"
    ]
}
```
