Using CCN(CCCCC(C)(C)OC(C)=O)CCCC(O)c1ccc(NS(C)(=O)=O)cc1 to produce CCN(CCCCC(C)(C)O)CCCC(O)c1ccc(NS(C)(=O)=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.