Using 4-benzyl 1-(tert-butyl) (S)-2-(2-hydroxyethyl)piperazine-1,4-dicarboxylate, O=[Cr](=O)([O-])O[Cr](=O)(=O)[O-] to produce (S)-2-(4-((benzyloxy)carbonyl)-1-(tert-butoxycarbonyl)piperazin-2-yl)acetic acid, 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"
    ]
}
```
