Using ethyl 5-(pyridin-4-yl)pentanoate, 6-methyl-2-((3-(methylthio)phenyl)amino)nicotinaldehyde to produce 7-methyl-1-(3-(methylthio)phenyl)-3-(3-(pyridin-4-yl)propyl)-1,8-naphthyridin-2(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"
    ]
}
```
