Using (S)-N-((2R,3R)-2-(3,5-difluorophenyl)-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]thiazepin-3-yl)-2-(2-(3,5-difluorophenyl)acetamido)propanamide, iodomethane to produce (S)-N-((2R,3R)-2-(3,5-difluorophenyl)-5-methyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]thiazepin-3-yl)-2-(2-(3,5-difluorophenyl)acetamido)propanamide, 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"
    ]
}
```
