Using CC1(C)CC(N2CCCCCC2=O)CC(C)(C)N1, COS(=O)(=O)OC to produce CN1C(C)(C)CC(N2CCCCCC2=O)CC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.