Using O=C(Nc1cnc(-c2ccncc2)c(-c2ccc(OCc3ccccc3)nc2)n1)C1CC1 to produce O=C(Nc1cnc(-c2ccncc2)c(-c2ccc(O)nc2)n1)C1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.