Using N#CCCCBr, COc1ncccc1CN1CCC(CCc2ccc[nH]c2=O)CC1 to produce COc1ncccc1CN1CCC(CCc2cccnc2OCCCC#N)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.