Using CNN, COc1ccc(COc2ccc(C(=O)O)cc2OCc2ccc(OC)cc2)cc1 to produce COc1ccc(COc2ccc(C(=O)N(C)N)cc2OCc2ccc(OC)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.