Using OCC1CNCC1c1ccccc1, O=S(=O)(Cl)c1ccccc1 to produce O=S(=O)(OCC1CN(S(=O)(=O)c2ccccc2)CC1c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.