What should be the AI for N-Nitrosamines where CPCA doesn't apply (e.g. N-Nitroso Pyrrole Analogues where alpha carbon directly double bonded to hetero atom)?

How the AI can be derived for N-Nitrosamines where CPCA doesn’t apply (e.g. N-Nitroso Pyrrole Analogues where alpha carbon directly double bonded to hetero atom)? Will these type of nitrosamines still be considered CoC?

You can read details in the above link to get some insight…