Using CCOC(=O)CCCCCCn1cc(Br)c2nc(-c3ccc(C)cc3)c(-c3ccc(C)cc3)nc21, CO to produce COc1cc2nc(-c3ccc(C)cc3)c(-c3ccc(C)cc3)nc2n1CCCCCCC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.