Using CCOC(=O)c1cn(-c2cc(SCC(F)(F)F)c(C)cc2F)nc1OCC to produce CCOC(=O)c1cn(-c2cc(SCC(F)(F)F)c(C)cc2F)nc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.