Using OB(O)c1ccoc1, OC1CCC(Nc2ccc3ncc(-c4ccnc(Cl)c4)n3c2)CC1 to produce OC1CCC(Nc2ccc3ncc(-c4ccnc(-c5ccoc5)c4)n3c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.