Using CC(C)(C)OC(=O)N1C[C@H](NC(=O)OCc2ccccc2)C(O)(CCCO)C1 to produce CC(C)(C)OC(=O)N1C[C@H](NC(=O)OCc2ccccc2)C2(CCCO2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.