Using CN(CCO)CCCCCCCC(=O)Nc1ccc(C(=O)OC(C)(C)C)cc1 to produce CN(CCO)CCCCCCCC(=O)Nc1ccc(C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.