Using CCOC(=O)C(C)(C)Oc1ccc(CCCC(=O)NN(Cc2ccc(C)c(C)c2)C(=O)NC)cc1 to produce CCOC(=O)C(C)(C)Oc1ccc(CCCc2nn(Cc3ccc(C)c(C)c3)c(=O)[nH]2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.