Using COC(CN)OC, C#CC[C@@H](NS(=O)(=O)c1ccc(C)cc1)C(=O)O to produce C#CC[C@@H](NS(=O)(=O)c1ccc(C)cc1)C(=O)NCC(OC)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.