The molecule with the SMILES representation of Cn1c(=O)[nH]c2ncn(C)c2c1=O is not a substrate for CYP P450 3A4.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {CYP3A4_Substrate#not &NULL}a {CYP3A4_Substrate__names__noun}.
1,7-dimethyl-3H-purine-2,6-dione