Using CN(C)C=O, Cc1ccc(NC(=O)N2CCOc3ccc(Br)nc32)nc1 to produce Cc1ccc(NC(=O)N2CCOc3ccc(C=O)nc32)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.