Using CCOC(=O)C(C)(C)Oc1ccc(CCCc2nn(Cc3cccc(OC)c3)c(=O)[nH]2)cc1 to produce COc1cccc(Cn2nc(CCCc3ccc(OC(C)(C)C(=O)O)cc3)[nH]c2=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.