Using CS(=O)(=O)Nc1cc2occ(NC(=O)CCCCl)c(=O)c2cc1Oc1ccccc1 to produce CS(=O)(=O)Nc1cc2occ(N3CCCC3=O)c(=O)c2cc1Oc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.