As an aromatic N-nitroso compound, not a nitrosamine, this is outside the scope of the CPCA and, it can be argued, due to the impossibility of the diazonium ion being formed (necessary for cohort-level potency [Snodin et al]) should be considered outside the cohort entirely.
See earlier discussions on similar structures, for example here on imidazoles: https://nitrosamines.usp.org/t/imidazole-is-a-secondary-amine/6118