Using carbonate, N-(5,6-dihydro-4H-spiro[benzo[b]thiophene-7,2'-[1,3]dithiolan]-4-yl)formamide to produce N-(7-oxo-4,5,6,7-tetrahydrobenzo[b]thiophen-4-yl)formamide, 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"
    ]
}
```
