The molecule with the SMILES O=C(O)COC(=O)Cc1ccccc1Nc1c(Cl)cccc1Cl is not a CYP2D6 substrate.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {CYP2D6_Substrate#not &NULL}a {CYP2D6_Substrate__names__noun}.