Using CCOC(=O)c1cnn(-c2cc(C)c(C(F)(F)F)cn2)c1C to produce Cc1cc(-n2ncc(C(=O)O)c2C)ncc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.