Using O=C(O)c1cc(Br)ccc1O, N#Cc1cccc(CBr)c1 to produce N#Cc1cccc(COC(=O)c2cc(Br)ccc2OCc2cccc(C#N)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.