Using CCOC(=O)C1=C(OCC)CCC1, CCCOc1ccc(N)cc1C1=NC(=O)C2=NN=NC2=N1 to produce CCCOc1ccc(NC2=C(C(=O)OCC)CCC2)cc1C1=NC(=O)C2=NN=NC2=N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.