Using CC(C)(C)OC(=O)N1CCc2nc(Cc3ccc(F)cc3)nc(-c3ccc(F)cc3)c2CC1, C=O to produce C=C1CN(C)CCc2c1nc(Cc1ccc(F)cc1)nc2-c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.