Using CCCCCC12CCC(C(=O)O)(CC1)CC2, NS(=O)(=O)c1ccc(Cl)cc1 to produce CCCCCC12CCC(C(=O)NS(=O)(=O)c3ccc(Cl)cc3)(CC1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.