Using CCOC(=O)C(C)(C)CCCCOc1cccc(OCCCCCn2ccnc2)c1 to produce CC(C)(CCCCOc1cccc(OCCCCCn2ccnc2)c1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.