Using 1,2-dimethoxybenzene, (S)-2-(1,3-dioxoisoindolin-2-yl)-3-(4-methoxyphenyl)propanoic acid to produce 2,2'-((2S,4S)-1,5-bis(3,4-dimethoxyphenyl)-1,5-bis(4-methoxyphenyl)-3-oxopentane-2,4-diyl)bis(isoindoline-1,3-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"
    ]
}
```
