Using COc1cc2ccnc(Cl)c2cc1CBr, CC(C)(C)OC(=O)N[C@H]1CCNC1=O to produce COc1cc2ccnc(Cl)c2cc1CN1CC[C@H](NC(=O)OC(C)(C)C)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.