Before revision:  Whereas the FID uses one of the hidden layers of InceptionNet, the FCD utilizes the penultimate layer of a deep neural network called "ChemblNet" , which was trained to predict drug activities.
After revision:  Whereas the FID uses one of the hidden layers of InceptionNet, the FCD utilizes the penultimate layer of a deep neural network called ChemNet , which was trained to predict drug activities.