SMILES tests now pass with the exception of:  - the issue 1844617 test  - the fragment smiles generation tests (commented out at the bottom, there is still implementation work to do for these)
SMILES tests now pass with the exception of:
 - the issue 1844617 test
 - the fragment smiles generation tests (commented out at the bottom, there is still implementation work to do for these)

rdkit/rdkit,strets123/rdkit,strets123/rdkit,ptosco/rdkit,strets123/rdkit,ptosco/rdkit,bp-kelley/rdkit,ptosco/rdkit,adalke/rdkit,jandom/rdkit,greglandrum/rdkit,rdkit/rdkit,greglandrum/rdkit,rvianello/rdkit,bp-kelley/rdkit,adalke/rdkit,greglandrum/rdkit,adalke/rdkit,jandom/rdkit,adalke/rdkit,adalke/rdkit,jandom/rdkit,greglandrum/rdkit,greglandrum/rdkit,jandom/rdkit,ptosco/rdkit,rdkit/rdkit,strets123/rdkit,bp-kelley/rdkit,adalke/rdkit,soerendip42/rdkit,soerendip42/rdkit,soerendip42/rdkit,strets123/rdkit,greglandrum/rdkit,jandom/rdkit,soerendip42/rdkit,rdkit/rdkit,bp-kelley/rdkit,ptosco/rdkit,soerendip42/rdkit,greglandrum/rdkit,rvianello/rdkit,bp-kelley/rdkit,strets123/rdkit,jandom/rdkit,bp-kelley/rdkit,ptosco/rdkit,soerendip42/rdkit,rdkit/rdkit,adalke/rdkit,jandom/rdkit,rvianello/rdkit,bp-kelley/rdkit,rvianello/rdkit,greglandrum/rdkit,jandom/rdkit,rdkit/rdkit,rvianello/rdkit,adalke/rdkit,ptosco/rdkit,soerendip42/rdkit,rdkit/rdkit,rvianello/rdkit,rdkit/rdkit,rvianello/rdkit,rvianello/rdkit,bp-kelley/rdkit,strets123/rdkit,strets123/rdkit,soerendip42/rdkit,ptosco/rdkit