Using CC(C)(C)OC(=O)N1CC(O)(COc2cccc3ccc(-c4nnc5ccccn45)nc23)C1, COCCN(CCOC)S(F)(F)F to produce CC(C)(C)OC(=O)N1CC(F)(COc2cccc3ccc(-c4nnc5ccccn45)nc23)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.