Using 3-((4-methoxybenzyl)oxy)-3-oxopropanoate, ethyl 2-(4-amino-2-(4-(4-phenylbutoxy)benzamido)phenoxy)acetate to produce 4-methoxybenzyl 3-((4-(2-ethoxy-2-oxoethoxy)-3-(4-(4-phenylbutoxy)benzamido)phenyl)amino)-3-oxopropanoate, 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"
    ]
}
```
