Using C#CCNC(=O)OCc1ccccc1, Brc1ccc(Br)nc1 to produce O=C(NCC#Cc1ccc(C#CCNC(=O)OCc2ccccc2)nc1)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.