Using ethyl 2-bromoacetate, tert-butyl (1-(2-((3-amino-6-methoxypyridin-2-yl)amino)ethyl)piperidin-4-yl)carbamate to produce ethyl (2-((2-(4-((tert-butoxycarbonyl)amino)piperidin-1-yl)ethyl)amino)-6-methoxypyridin-3-yl)glycinate, 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"
    ]
}
```
