Using OCCCO, CCCCCCCCCCCCCCCCNc1ccc(CCC(=O)O)cc1 to produce CCCCCCCCCCCCCCCCNc1ccc(CCC(=O)OCCCO)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.