The molecule with the SMILES representation of O=C1CC[C@H](N2C(=O)c3ccccc3C2=O)C(=O)N1 is not a CYP2D6 substrate.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {CYP2D6_Substrate#not &NULL}a {CYP2D6_Substrate__names__noun}.