Using tert-butyl 3-(2-oxo-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazin-7-yl)acrylate, (R)-N-benzyl-1-phenylethan-1-amine to produce tert-butyl (S)-3-(benzyl((R)-1-phenylethyl)amino)-3-(2-oxo-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazin-7-yl)propanoate, 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"
    ]
}
```
