The configurator does not handle the rings containing amide planes well. The buggy test molecule was e.g.: O=C1N(C(=O)C(C(=O)N1)(CC)CC)C.
JUnit test added to bug report.
Bad N atom type assigned to ring N atom : sp3 N atom is assigned instead of planar sp2.
JUnit test added to bug report.
Bad N atom type assigned to ring N atom : sp3 N atom is assigned instead of planar sp2.