Using aceticanhydride, (4R,4aR,7S,7aR,12bS)-9-benzyl-3-methyl-2,3,4,4a,7,7a,9,10-octahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-7,9-diol to produce 1-((4R,4aR,7S,7aR,12bS)-9-benzyl-7,9-dihydroxy-3-methyl-2,3,4,4a,7,7a,9,10-octahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7-yl)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"
    ]
}
```
