Using diethyl 2-(4-(3,4-dichlorophenyl)tetrahydro-2H-pyran-4-carbonyl)malonate to produce ethyl 6,7-dichloro-4-hydroxy-2-oxo-2',3',5',6'-tetrahydro-2H-spiro[naphthalene-1,4'-pyran]-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"
    ]
}
```
