Using CS(=O)(=O)Cl, COc1ccc(-c2nn3c(NCCCCN)cccc3c2-c2ccnc(NC3CCCC3)n2)cc1 to produce COc1ccc(-c2nn3c(NCCCCNS(C)(=O)=O)cccc3c2-c2ccnc(NC3CCCC3)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.