Using CCCC1CCC(c2ccc(-c3cc(F)c(F)c(F)c3)cc2O)C(C(=O)OCC)C1 to produce CCCC1CCC(c2ccc(-c3cc(F)c(F)c(F)c3)cc2O)C(CO)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.