Using 5-(3-(carboxymethyl)-4-methoxyphenyl)-5H-dibenzo[b,d]thiophen-5-ium, 3-bromodihydrofuran-2(3H)-one to produce 5-(4-methoxy-3-(2-oxo-2-((2-oxotetrahydrofuran-3-yl)oxy)ethyl)phenyl)-5H-dibenzo[b,d]thiophen-5-ium, 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"
    ]
}
```
