Using CC(C)(C)OC(=O)NC(CO)c1cccc(Cl)c1Cl, O=C=NS(=O)(=O)Cl to produce NC(=O)OCC(N)c1cccc(Cl)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.