Using 3-butyl-2,5-dimethyl-1,3,4-thiadiazol-3-ium, 4-bromobenzoic acid to produce (Z)-1-(4-bromophenyl)-2-(3-butyl-5-methyl-1,3,4-thiadiazol-2(3H)-ylidene)ethan-1-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"
    ]
}
```
