Using c1ccsc1, O[C@@H]1CNCC[C@H]1CN(Cc1ccccc1)Cc1ccccc1 to produce CCCCN1CC[C@@H](CN(Cc2ccccc2)Cc2ccccc2)[C@H](O)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.