Using COCCN(CCOC)S(F)(F)F, Cc1nn(C)c(-c2c(F)cccc2F)c1C(O)c1ccc(F)cc1F to produce Cc1nn(C)c(-c2c(F)cccc2F)c1C(F)c1ccc(F)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.