Using CCOC(=O)CCCI, Oc1cccc(C#Cc2ccc3ccc(Br)cc3n2)c1 to produce CCOC(=O)CCCOc1cccc(C=Cc2ccc3ccc(Br)cc3n2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.