Using (3R,5S,6R,7R,8R,9S,10S,13S,14S,16R,17R)-6-ethyl-17-((R)-5-hydroxypentan-2-yl)-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthrene-3,7,16-triol, acetone to produce methyl (R)-4-((5S,6R,8R,9S,10S,13S,14S,17R)-6-ethyl-10,13-dimethyl-3,7,16-trioxohexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate, 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"
    ]
}
```
