Using CC(=O)OC(C)=O, CC(=O)NCC1OC(=O)N2c3ccccc3CC12 to produce CC(=O)NCC1OC(=O)N2c3ccc(C(C)=O)cc3CC12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.