Using CC(C)C(=O)Oc1c(-c2c(C(F)(F)F)nn(C)c2OC(F)F)c(=O)n(CC(F)F)c2nccnc12 to produce Cn1nc(C(F)(F)F)c(-c2c(O)c3nccnc3n(CC(F)F)c2=O)c1OC(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.