Using propiolic acid, 1-(2,4-difluorophenyl)-2-(4-ethyl-5-methyl-1H-imidazol-2-yl)ethan-1-one to produce 8-(2,4-difluorobenzoyl)-2-ethyl-3-methylimidazo[1,2-a]pyridin-5(1H)-one, 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"
    ]
}
```
