Using CON(C)C(=O)[C@H](C)NC(=O)OC(C)(C)C, Clc1cnc(Br)c(Cl)c1 to produce C[C@H](NC(=O)OC(C)(C)C)C(=O)c1ncc(Cl)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.