Using ethyl (4S,5R,6S,9S,11S,12R)-9,11-bis((tert-butyldimethylsilyl)oxy)-5-((4-methoxybenzyl)oxy)-4,6,12-trimethyl-15-(trityloxy)pentadeca-2,7,13-trienoate to produce ethyl (4S,5R,6S,9S,11S,12R)-9,11-bis((tert-butyldimethylsilyl)oxy)-5-((4-methoxybenzyl)oxy)-4,6,12-trimethyl-15-(trityloxy)pentadeca-7,13-dienoate, 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"
    ]
}
```
