{
"level1": {
"api_key": "your-api-key-here",
"model": "gpt-3.5-turbo"
},
"level2": {
"input_dir": "D:/Datos/Entrada",
"output_dir": "D:/Datos/Salida",
"batch_size": 50
"level3": {},
"working_directory": "C:\\Estudio"
}