Using CCOC(=O)C(=O)C(C)C(=O)OCC, CCOc1cc(F)c(CNN)c(F)c1 to produce CCOC(=O)c1nn(Cc2c(F)cc(OCC)cc2F)c(O)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.