Using CCOC(=O)CBr, CC(C)(C)OC(=O)N[C@H](CO)c1cccc(F)c1 to produce CCOC(=O)COC[C@@H](NC(=O)OC(C)(C)C)c1cccc(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.