The SMILES Nc1nonc1-c1noc(CCCN2C(=O)c3ccccc3C2=O)n1 is not inhibiting CYP P450 2D6.
The {#molecule |!}{SMILES__description} {SMILES#} is {CYP2D6_inhibition#not &NULL}{CYP2D6_inhibition__names__gerund}.