Using nitrite, 3-(2-chloroethyl)-1-(hydroxy((2S,3S,4S,5R)-3,4,5,6-tetrahydroxy-6-isobutyltetrahydro-2H-pyran-2-yl)methyl)-1-(2-hydroxypropyl)urea to produce 1-(2-chloroethyl)-3-(hydroxy((2S,3S,4S,5R,6S)-3,4,5,6-tetrahydroxy-6-isobutyltetrahydro-2H-pyran-2-yl)methyl)-3-(2-hydroxypropyl)-1-nitrosourea, 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"
    ]
}
```
