Using CCOC(=O)CCCOc1ccccc1OCCCBr, CCc1nc(N)nc(N)c1O to produce CCc1nc(N)nc(N)c1OCCCOc1ccccc1OCCCC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.