Using N-benzyl-2-chloro-N-ethylethan-1-amine, 1-(1-butyl-4-(3-hydroxyphenyl)-2-oxo-1,2-dihydro-1,8-naphthyridin-3-yl)-3-(2,6-diisopropylphenyl)urea to produce 1-(4-(3-(2-(benzyl(ethyl)amino)ethoxy)phenyl)-1-butyl-2-oxo-1,2-dihydro-1,8-naphthyridin-3-yl)-3-(2,6-diisopropylphenyl)urea, 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"
    ]
}
```
