Using CCCCOc1ccc(NC(=O)N(C)c2cccc(-c3ccc(CCC(=O)OCC)cc3)c2)cc1 to produce CCCCOc1ccc(NC(=O)N(C)c2cccc(-c3ccc(CCC(=O)O)cc3)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.