Using O[C@@H]1CCOC1, COC(=O)c1csc(-c2c(F)cc(O)cc2F)n1 to produce O=C(O)c1csc(-c2c(F)cc(O[C@@H]3CCOC3)cc2F)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.