Using CCOC(=O)c1c(OCC)nn(-c2cc(SCC(F)(F)F)c(C)cc2F)c1N to produce CCOC(=O)c1cn(-c2cc(SCC(F)(F)F)c(C)cc2F)nc1OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.