Using CCOC(C)=O, COc1ccc2c(c1)C(=NN(C)C)C(CC(OC)OC)CC2 to produce COc1ccc2c(c1)C(=O)C(CC(OC)OC)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.