Using CCCCOc1ccc2c(C(F)(F)F)c(OC)ccc2c1C(=O)N(C)CC(=O)OC to produce CCCCOc1ccc2c(C(F)(F)F)c(OC)ccc2c1C(=O)N(C)CC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.