Using 1-(3-isocyanatophenyl)ethan-1-one, (3S,4S)-N3-(4-(4-fluorobenzyl)cyclohexyl)tetrahydrofuran-3,4-diamine to produce 1-(3-acetylphenyl)-3-((3S,4S)-4-((4-(4-fluorobenzyl)cyclohexyl)amino)tetrahydrofuran-3-yl)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"
    ]
}
```
