Using C[O-], COC(=O)C(NCc1cccc(C(F)(F)F)c1)c1cn(Cc2ccccc2)c2ccccc12 to produce CCOC(=O)C(NCc1cccc(C(F)(F)F)c1)c1cn(Cc2ccccc2)c2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.