Using CCOC(=O)c1nc(-c2cc(Br)c(O)c(Br)c2)no1, COc1ccc(CCl)cc1 to produce CCOC(=O)c1nc(-c2cc(Br)c(OCc3ccc(OC)cc3)c(Br)c2)no1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.