Using CCOC(=O)CCCBr, COC(=O)c1ccc(Br)c(C)c1NC(=O)OC(C)C to produce CCOC(=O)CCCN(C(=O)OC(C)C)c1c(C(=O)OC)ccc(Br)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.