Using methanesulfonyl chloride, methyl 2-(2-hydroxyethyl)-2-methyl-1,3-dioxo-2,3,5,8-tetrahydro-1H-pyrazolo[1,2-a]pyridazine-5-carboxylate to produce methyl 2-methyl-2-(2-((methylsulfonyl)oxy)ethyl)-1,3-dioxo-2,3,5,8-tetrahydro-1H-pyrazolo[1,2-a]pyridazine-5-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"
    ]
}
```
