Using (6aR,10aR)-4,6a,7,8,9,10a-hexahydro-6H-[1,4]oxazino[2',3':4,5]benzo[1,2,3-cd]indole, acetaldehyde to produce (6aR,10aR)-7-ethyl-4,6a,7,8,9,10a-hexahydro-6H-[1,4]oxazino[2',3':4,5]benzo[1,2,3-cd]indole, 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"
    ]
}
```
