Conv2D	2D convolutional layer
ECFP4	Extended connectivity fingerprint with 4 bonds
GRU	Gated Recurrent Unit
LSTM	Long short-term memory
QSAR	Quantitative structure activity relationship
ReLU	Rectified liniar unit
RMSE	Root mean square error
RNN	Recurrent Neural Network
SMILES	Simplified molecular-input line-entry system