Using CS(=O)(=O)Cc1cc(NC2CCCC2)c2[nH]c(C3=N[C@H](CCO)CS3)cc2c1, II to produce CS(=O)(=O)Cc1cc(NC2CCCC2)c2[nH]c(C3=N[C@H](CCI)CS3)cc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.