Using C[S+](C)(C)=O, CC(=O)CN1CCC(N(C)C(=O)OC(C)(C)C)CC1 to produce CN(C(=O)OC(C)(C)C)C1CCN(CC2(C)CO2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.