Using tert-butyl (5aR,9R)-3-bromo-2-(mercaptomethyl)-9-methyl-5a,6,8,9-tetrahydropyrido[3',2':4,5]pyrrolo[1,2-a]pyrazine-7(5H)-carboxylate, 1-tritylpyridin-1-ium to produce tert-butyl (5aR,9R)-3-bromo-9-methyl-2-((tritylthio)methyl)-5a,6,8,9-tetrahydropyrido[3',2':4,5]pyrrolo[1,2-a]pyrazine-7(5H)-carboxylate, 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"
    ]
}
```
