Using N#Cc1ccc(CC2(NC(=O)Nc3cc(Cl)cc(Cl)c3)CCCCC2=O)cc1 to produce N#Cc1ccc(CC23CCCC=C2N(c2cc(Cl)cc(Cl)c2)C(=O)N3)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.