Using methyl 2',6'-dimethoxy-4-((1-methoxy-2-methyl-1-oxopropan-2-yl)amino)-3-nitro-[1,1'-biphenyl]-2-carboxylate to produce methyl 6-(2,6-dimethoxyphenyl)-2,2-dimethyl-3-oxo-1,2,3,4-tetrahydroquinoxaline-5-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"
    ]
}
```
