> mol = Chem.MolFromSmiles("C12=CC=CC=[N]1->[*]<-[N]3=C2C=CC=C3")Hmm. I forgot the SMILES syntax of dative bonds. That's a nice idea. I actually decided to use the noFreeType=True option, add a highlight as the "metal" and remove the * from the depiction. The initial set is at: https://github.com/OpenChemistry/fragments/tree/main/ligands <https://github.com/OpenChemistry/fragments/tree/main/ligands> Thanks! -Geoff
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