Using 3-(methoxycarbonyl)-5,12-dioxo-3,4,5,5a,6,11,11a,12-octahydro-2H-spiro[tetracene-1,2'-[1,3]dithiolane]-6,11-diyl diacetate to produce methyl 5,12-dioxo-3,4,5,12-tetrahydro-2H-spiro[tetracene-1,2'-[1,3]dithiolane]-3-carboxylate, 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"
    ]
}
```
