from rdkit import Chem from rdkit.Chem import Draw from PIL import Image def plot_mol(smiles): # Convert the SMILES string to an RDKit molecule object mol = Chem.MolFromSmiles(smiles) # Use RDKit to draw the molecule to an image, with original intended size img = Draw.MolToImage(mol, size=(185, 185)) # Create a new, blank image with the desired final size (800x190 pixels) with a white background final_img = Image.new('RGB', (890, 185), 'white') # Calculate the position to paste the original image onto the blank image to keep it centered left = (890 - 185) // 2 top = (185 - 185) // 2 # This will be zero in this case but included for clarity # Paste the original image onto the blank image final_img.paste(img, (left, top)) return final_img