Using COc1cc2c(Cl)ncnc2cc1OCCCN1CCOCC1, Nc1ccc(I)c2c1OCO2 to produce COc1cc2c(Nc3ccc(I)c4c3OCO4)ncnc2cc1OCCCN1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.