The SMILES Cc1ccccc1C(=O)Nc1ccc(C(=O)NNC(=O)CCCOc2ccc(Cl)cc2Cl)cc1 is not inhibiting CYP P450 2D6.
The {#molecule |!}{SMILES__description} {SMILES#} is {CYP2D6_inhibition#not &NULL}{CYP2D6_inhibition__names__gerund}.