python
from thumbor import ThumborServer
server = ThumborServer()
original_image_url = 'https://example.com/image.jpg'
filters = '/filters:resize(width=300,height=200)/filters:crop(top=100,left=100,width=200,height=150)/filters:rotate(degrees=90)'
processed_image_url = server.generate_image(original_image_url + filters)
print('Processed image URL:', processed_image_url)