Using CCCCCCCCCCNC(=O)c1ccc(N(CC(=O)OC)CC(=O)OC)cc1 to produce CCCCCCCCCCNC(=O)c1ccc(N(CC(=O)O)CC(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.