Using C#Cc1cnn(C)c1, COc1ccc(COc2c(OC)cnc(I)c2OC)cc1 to produce COc1ccc(COc2c(OC)cnc(C#Cc3cnn(C)c3)c2OC)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.