Apply valence model after fixing hydrogen isotopes.

Signed-off-by: Egon Willighagen <egonw@users.sourceforge.net>
Use isotope factory to get the deuterium and tritium isotope values.

Signed-off-by: Egon Willighagen <egonw@users.sourceforge.net>
Correcting SMILES errors.

Signed-off-by: Egon Willighagen <egonw@users.sourceforge.net>
With the SMILES updated only 5 match.

Signed-off-by: Egon Willighagen <egonw@users.sourceforge.net>