Using CCc1nn(-c2cccc(Br)c2)c(CC)c1C(=O)OC, C#CCCCC to produce CCCCC#Cc1cccc(-n2nc(CC)c(C(=O)OC)c2CC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.