Fig. 2
From: Jmol SMILES and Jmol SMARTS: specifications and applications

Caffeine from PubChem (yellow) and NCI/CADD (standard colors) before and after SMILES-based alignment
From: Jmol SMILES and Jmol SMARTS: specifications and applications
Caffeine from PubChem (yellow) and NCI/CADD (standard colors) before and after SMILES-based alignment