Using CC1(C)[C@@H](NC(=O)OCc2ccccc2)C[C@H]1C(=O)O, C1COCCN1 to produce CC1(C)[C@@H](NC(=O)OCc2ccccc2)C[C@H]1C(=O)N1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.