Using iodomethane, diethyl 1-oxo-1,2,6b,9,10,10a-hexahydro-3H-pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-3,8(7H)-dicarboxylate to produce diethyl 2-methyl-1-oxo-1,2,6b,9,10,10a-hexahydro-3H-pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-3,8(7H)-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"
    ]
}
```
