Using ethyl 2-(2-(methylamino)acetamido)-1,2,3,4-tetrahydronaphthalene-2-carboxylate to produce 4'-methyl-3,4-dihydro-1H-spiro[naphthalene-2,2'-piperazine]-3',6'-dione, 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"
    ]
}
```
