Using (2R,3S,4R)-2-ethyl-3-((2-fluorobenzyl)oxy)-5-methoxy-4-((3-methylbenzyl)oxy)tetrahydrofuran to produce (2R,3S,3aS,9bR)-2-ethyl-3-((2-fluorobenzyl)oxy)-7-methyl-3,3a,5,9b-tetrahydro-2H-furo[3,2-c]isochromene, 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"
    ]
}
```
