Using Clc1ncccn1, CS(=O)(=O)c1ccc(OCc2csc(C3CCNCC3)n2)cc1 to produce CS(=O)(=O)c1ccc(OCc2csc(C3CCN(c4ncccn4)CC3)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.