Using CCn1ccc2c(N(S(=O)(=O)CCCCl)S(=O)(=O)CCCCl)cc(C(=O)OC)cc21 to produce CCn1ccc2c(NS(=O)(=O)CCCCl)cc(C(=O)O)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.