Using CC1(C)[C@H]2CC[C@]1(C)c1[nH]n(-c3ccc(F)cc3F)c(=O)c12, COc1ccc(CCl)cn1 to produce COc1ccc(Cn2c3c(c(=O)n2-c2ccc(F)cc2F)[C@@H]2CC[C@@]3(C)C2(C)C)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.