The SMILES Cc1cc(NC(=O)CCN2C(=O)C3C4CCC(C4)C3C2=O)c(C)cc1Br is not inhibiting CYP P450 2D6.
The {#molecule |!}{SMILES__description} {SMILES#} is {CYP2D6_inhibition#not &NULL}{CYP2D6_inhibition__names__gerund}.