The SMILES Oc1ccc(Cl)cc1Cc1cc(Cl)cc(Cc2cc(Cl)ccc2O)c1O is not inhibiting CYP P450 2D6.
The {#molecule |!}{SMILES__description} {SMILES#} is {CYP2D6_inhibition#not &NULL}{CYP2D6_inhibition__names__gerund}.