The molecule with the SMILES Cn1c(=O)[nH]c2ncn(C)c2c1=O is not a substrate for CYP2D6.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {CYP2D6_Substrate#not &NULL}a {CYP2D6_Substrate__names__noun}.
1,7-dimethyl-3H-purine-2,6-dione