Using C1COCCN1, O=C1N(Cc2c(Cl)cc(OS(=O)(=O)C(F)(F)F)cc2Cl)CCC12CCCCC2 to produce O=C1N(Cc2c(Cl)cc(N3CCOCC3)cc2Cl)CCC12CCCCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.