Using CS(=O)(=O)Cl, CC(C)(C)OC(=O)N1CCC(c2nc(C3CCOCC3)cn2CCO)CC1 to produce CC(C)(C)OC(=O)N1CCC(c2nc(C3CCOCC3)cn2CCOS(C)(=O)=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.