The molecule with the SMILES C[C@]12CC[C@H]3[C@@H](CC=C4C[C@@H](O)CC[C@@]43C)[C@@H]1CCC2=O is not a CYP2D6 substrate.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {CYP2D6_Substrate#not &NULL}a {CYP2D6_Substrate__names__noun}.