Using COC(=O)[C@H](CO)NC(=O)c1ccc(NC(=O)OCc2ccccc2)c(C)c1 to produce COC(=O)C1COC(c2ccc(NC(=O)OCc3ccccc3)c(C)c2)=N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.