The SMILES Cc1ccc(/C=C/c2ccc(=O)n(Cc3ccc(Cl)cc3Cl)n2)cc1 is not inhibiting CYP P450 2D6.
The {#molecule |!}{SMILES__description} {SMILES#} is {CYP2D6_inhibition#not &NULL}{CYP2D6_inhibition__names__gerund}.