Using Cc1cc(-c2cccc(-c3ccc(OCC(=O)O)c4c3CCCC4)n2)c(C)[nH]1 to produce Cc1cc(-c2cccc(-c3ccc(OCCO)c4c3CCCC4)n2)c(C)[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.