Using O=C(O)CCC(=O)c1c[nH]c2ccc(Br)cc12, CN(C)c1nc(Cl)nc(N(C)C)n1 to produce CN(C)c1nc(N(C)C)nc(-n2cc(C(=O)CCC(=O)O)c3cc(Br)ccc32)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.