Using CC[C@H]1OC[C@@H](c2ccccc2)N(C(=O)OC(C)(C)C)C1=O, C1CCOC1 to produce CCC1(CC)OC[C@@H](c2ccccc2)N(C(=O)OC(C)(C)C)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.