The SMILES Clc1cnc(Oc2ccc(Oc3ncc(Cl)cc3Cl)cc2)c(Cl)c1 is not inhibiting CYP P450 2D6.
The {#molecule |!}{SMILES__description} {SMILES#} is {CYP2D6_inhibition#not &NULL}{CYP2D6_inhibition__names__gerund}.