The SMILES CC1(C)CC(Nc2ccc(Nc3ccccc3)cc2)CC(C)(C)N1 is not inhibiting CYP P450 2D6.
The {#molecule |!}{SMILES__description} {SMILES#} is {CYP2D6_inhibition#not &NULL}{CYP2D6_inhibition__names__gerund}.