Replace Atoms
This action replaces chemical element with other chemical element.
-     
Allow valence error on replace: Atom exchange occurs even if it causes valence error on the relevant atom.
 
Example :
| 
         Action  | 
                
         Input  | 
                
         Output  | 
        
| 
         Replace Atom N to O  | 
                
               | 
                
               | 
        
| 
         Replace Atom N to O  | 
                
               | 
                
               | 
        
Note : Action replaces atoms inside abbreviated groups; the affected group will be ungrouped.