Using triethyl orthoformate, 5-amino-1-(2-chlorobenzyl)-5'-imino-1'-(4-methoxybenzyl)-1',5'-dihydro-1H,2'H-[4,4'-biimidazol]-2'-one to produce 7-(2-chlorobenzyl)-3-(4-methoxybenzyl)-3,7-dihydro-2H-diimidazo[4,5-d:4',5'-f][1,3]diazepin-2-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"
    ]
}
```
