Using C=C(C)C(=O)O, O=C(O)c1ccc(OCCCCCCCCCCCO)cc1 to produce C=C(C)C(=O)OCCCCCCCCCCCOc1ccc(C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.