Using CCOC(=O)c1csc(COc2ccc(-c3cc(F)c(F)cc3OC)cc2)n1 to produce COc1cc(F)c(F)cc1-c1ccc(OCc2nc(C(=O)O)cs2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.