Using CCOC(OCC)OCC, CS(=O)(=O)CCOCCNc1c(N)cnc2ccccc12 to produce CS(=O)(=O)CCOCCn1cnc2cnc3ccccc3c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.