Using CC(C)(C)OC(=O)N1CC=C(c2cc(C(F)(F)F)ccc2-c2cccc3cnccc23)CC1 to produce CC(C)(C)OC(=O)N1CC=C(c2cc(C(F)(F)F)ccc2-c2cccc3c2CCNC3)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.