Using O=C(COCc1ccccc1)Nc1ccc(F)cc1, CCN(CC)C(=O)C1CCCC(Br)C1=O to produce CCN(CC)C(=O)C1CCCc2c1c1cc(F)ccc1n2CCOCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.