Using Cn1cc(Br)cc(Nc2cccc(OCCN)n2)c1=O, CCC(=O)Cl to produce CCC(=O)NCCOc1cccc(Nc2cc(Br)cn(C)c2=O)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.