Using 1-(3,5-dimethoxy-4-(methoxymethoxy)phenyl)ethane-1,2-dithiol, 3-iodo-4,5-dimethoxybenzaldehyde to produce (2R,4R)-2-(3-iodo-4,5-dimethoxyphenyl)-4-(3,4,5-trimethoxyphenyl)-1,3-dithiolane, 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"
    ]
}
```
