Using COC(=O)[C@H](CC(C)C)N1CC2=Cc3c(OC)cccc3OC2C1=O to produce COc1cccc2c1CC1=C(O2)C(=O)N([C@@H](CC(C)C)C(=O)O)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.