Using 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-((1,3-dioxoisoindolin-2-yl)methyl)-6,7-dihydro-5H-thieno[3,2-b]pyran-3-carboxylic acid to produce 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-((1,3-dioxoisoindolin-2-yl)methyl)-4,7-dihydro-5H-thieno[2,3-c]pyran-3-carboxylic acid, 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"
    ]
}
```
