Using CC(=O)NC1=Nc2ccc(OCCCC(=O)N(C)C3CCCCC3)cc2CN1CC(=O)OC(C)(C)C to produce CC(=O)NC1=Nc2ccc(OCCCC(=O)N(C)C3CCCCC3)cc2CN1CC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.