Using tert-butyl 4-(3-((4-(4-(methoxycarbonyl)benzo[b]thiophen-2-yl)pyrimidin-2-yl)amino)propyl)piperazine-1-carboxylate to produce 2-(2-((3-(4-(tert-butoxycarbonyl)piperazin-1-yl)propyl)amino)pyrimidin-4-yl)benzo[b]thiophene-4-carboxylic acid, 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"
    ]
}
```
