Using CC(C)OC(=O)C1CCCn2c(C(=O)c3ccc(F)cc3)ccc21 to produce O=C(c1ccc(F)cc1)c1ccc2n1CCCC2C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.