Using CS(=O)(=O)Cl, O=C1CCc2c(C(=O)CCN3CCN(c4ccccc4)CC3)ccc(O)c2N1 to produce CS(=O)(=O)c1ccc(C(=O)CCN2CCN(c3ccccc3)CC2)c2c1NC(=O)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.