public void Main()
{
IAtomContainer mol = null;
#region
Abbreviations abrv = new Abbreviations
{
// add some abbreviations, when overlapping (e.g. Me,Et,tBu) first one wins
"[Na+].[H-] NaH",
"*c1ccccc1 Ph",
"*C(C)(C)C tBu",
"*CC Et",
"*C Me"
};
// maybe we don't want 'Me' in the depiction
abrv.SetEnabled("Me", false);
// assign abbreviations with some filters
int numAdded = abrv.Apply(mol);
// generate all but don't assign, need to be added manually
// set/update the CDKPropertyName.CtabSgroups property of mol
var sgroups = abrv.Generate(mol);
#endregion
#region 1
// https://www.github.com/openbabel/superatoms
abrv.LoadFromFile("obabel_superatoms.smi");
#endregion
}