Using CC(C)(C)OC(=O)N1CC2C(C1)C2NC(=O)/C=C\n1cnc(-c2cc(C(F)(F)F)cc(C(F)(F)F)c2)n1 to produce O=C(/C=C\n1cnc(-c2cc(C(F)(F)F)cc(C(F)(F)F)c2)n1)NC1C2CNCC21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.