Using O=C(CO)c1ccccc1, Fc1ccc(-c2nc(CCl)cs2)cc1 to produce O=C(COCc1csc(-c2ccc(F)cc2)n1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.