Using tert-butyl 7-(4-ethoxy-4-oxobutan-2-yl)-3,4-dihydroquinoxaline-1(2H)-carboxylate, 2-(3-methoxy-4-(3-(o-tolyl)ureido)phenyl)acetic acid to produce tert-butyl 7-(4-ethoxy-4-oxobutan-2-yl)-4-(2-(3-methoxy-4-(3-(o-tolyl)ureido)phenyl)acetyl)-3,4-dihydroquinoxaline-1(2H)-carboxylate, 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"
    ]
}
```
