Using O=S(=O)(Cl)Cc1ccccc1, CC(=O)N1CCN(c2ccc3c(c2)OCCNC3)CC1 to produce CC(=O)N1CCN(c2ccc3c(c2)OCCN(S(=O)(=O)Cc2ccccc2)C3)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.