Using CCCCS(=O)(=O)[N-][Si](C)(C)C, CC[C@H](C)[C@H](NC(=O)OC(C)(C)C)C(=O)F to produce CCCCS(=O)(=O)NC(=O)[C@@H](NC(=O)OC(C)(C)C)[C@@H](C)CC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.