Using ethyl 4-methyl-6-oxohexa-2,4-dienoate, triphenyl(4-(2,6,6-trimethylcyclohex-1-en-1-yl)but-3-en-2-yl)phosphonium to produce ethyl 4,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoate, 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"
    ]
}
```
