The SMILES Clc1ccc2c(NCCNc3ccnc4cc(Cl)ccc34)ccnc2c1 is not inhibiting CYP P450 2D6.
The {#molecule |!}{SMILES__description} {SMILES#} is {CYP2D6_inhibition#not &NULL}{CYP2D6_inhibition__names__gerund}.