Using oxalic acid, (6aR,6bS,7S,8aS,13aS,13bR)-7-(4-methoxyphenyl)-8a-methyl-1,4,5,6,6a,6b,7,8,8a,10,11,13,13a,13b-tetradecahydro-3H-8b,12a-(epoxyethanooxy)naphtho[2',1':4,5]indeno[1,2-b][1,4]dioxine to produce (8R,9S,10R,11S,13S,14S)-11-(4-methoxyphenyl)-13-methyl-1,4,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17(2H)-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"
    ]
}
```
