Using C#CC(C)O, Clc1cc(Br)c2oc(-c3ccccc3Cl)nc2c1 to produce CC(O)C#Cc1cc(Cl)cc2nc(-c3ccccc3Cl)oc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.