Using CC(C)(C)OC(=O)N1CCN(CCO)CC1, O=S1(=O)Nc2ccccc2N1c1ccccc1Cl to produce CC(C)(C)OC(=O)N1CCN(CCN2c3ccccc3N(c3ccccc3Cl)S2(=O)=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.