Using CCc1c(C(=O)O)c(=O)c2cc(F)c(F)c(OC)c2n1C1CC1 to produce COc1c(F)c(F)cc2c(=O)c(C(=O)O)cn(C3CC3)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.