Using tert-butyl (R)-ethyl(4-((5-(2-hydroxyethyl)-6,7-dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-yl)oxy)cyclohexyl)carbamate, O=[Cr](=O)([O-])O[Cr](=O)(=O)[O-] to produce (R)-2-(4-((4-((tert-butoxycarbonyl)(ethyl)amino)cyclohexyl)oxy)-6,7-dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-5-yl)acetic acid, 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"
    ]
}
```
