Using CS(=O)(=O)Cl, CCc1nc2ccccc2n1-c1nc(N2CCOCC2)c2nc(C3(OC)CCCNC3)n(C)c2n1 to produce CCc1nc2ccccc2n1-c1nc(N2CCOCC2)c2nc(C3(OC)CCCN(S(C)(=O)=O)C3)n(C)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.