Using CCOC(=O)CBr, CC(C)(C)OC(=O)NC1N=C(c2ccccc2F)c2ccccc2NC1=O to produce CCOC(=O)CN1C(=O)C(NC(=O)OC(C)(C)C)N=C(c2ccccc2F)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.