Using 3a-allyl-1,2-dihydro-1,5-methanofuro[2,3-d]xanthene-4,7(3aH,5H)-dione to produce 3a-allyl-1,2,6,6a-tetrahydro-1,5-methanofuro[2,3-d]xanthene-4,7(3aH,5H)-dione, 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"
    ]
}
```
