The SMILES O=C(NCCN1CCN(C(=O)c2cc3ccccc3oc2=O)CC1)c1cc2ccccc2oc1=O is not inhibiting CYP2D6.
The {#molecule |!}{SMILES__description} {SMILES#} is {CYP2D6_inhibition#not &NULL}{CYP2D6_inhibition__names__gerund}.