Using CC(C)(C)OC(=O)N1CCCc2cc(Br)ccc2C1, COC(=O)Cl to produce COC(=O)c1ccc2c(c1)CCCN(C(=O)OC(C)(C)C)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.