Using (4S,5S)-4-isobutyl-5-(6-methyl-3-oxoheptyl)oxazolidin-2-one, glycol to produce 1-((7S,8S)-8-isobutyl-1,4,6-trioxa-9-azaspiro[4.4]nonan-7-yl)-6-methylheptan-3-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"
    ]
}
```
