Using COc1cccc(F)c1CBr, CC(C)(C)OC(=O)NC1CCCNC1=O to produce COc1cccc(F)c1CN1CCCC(NC(=O)OC(C)(C)C)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.