Using CCOC(=O)c1cn(Cc2ccc(OC)cc2)nc1N, CCOC(=O)CC(=O)OCC to produce CCOC(=O)c1c(O)nc2nn(Cc3ccc(OC)cc3)cc2c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.