Using COc1ccc(-c2ncn(C)c2-c2cc3c(N)ncnc3s2)cc1 to produce Cn1cnc(-c2ccc(O)cc2)c1-c1cc2c(N)ncnc2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.