Using methyl carbonochloridate, (1S,8aS)-N-methyl-N-((R)-1-(3-methyl-5-(trifluoromethyl)phenyl)ethyl)-6-oxo-1-(o-tolyl)hexahydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide to produce dimethyl (1S,8aS)-2-(methyl((R)-1-(3-methyl-5-(trifluoromethyl)phenyl)ethyl)carbamoyl)-6-oxo-1-(o-tolyl)hexahydropyrrolo[1,2-a]pyrazine-7,7(6H)-dicarboxylate, 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"
    ]
}
```
