Using O=C(O)c1cccc(C(=O)Nc2cccc3cc(Br)cnc23)c1, CNC to produce CN(C)C(=O)c1cccc(C(=O)Nc2cccc3cc(Br)cnc23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.