Using CC(C)Cn1c(=O)n(C)c(=O)c2c(Br)c(Cc3ccccc3C(F)(F)F)sc21, C=CC(=O)OC to produce COC(=O)C=Cc1c(Cc2ccccc2C(F)(F)F)sc2c1c(=O)n(C)c(=O)n2CC(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.