The molecule with the SMILES CCCCN1CCCC[C@H]1C(=O)Nc1c(C)cccc1C is not a CYP2D6 substrate.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {CYP2D6_Substrate#not &NULL}a {CYP2D6_Substrate__names__noun}.