Using O=C(c1cccc(O)c1F)c1c[nH]c2ncc(-c3cccs3)cc12 to produce Oc1cccc(Cc2c[nH]c3ncc(-c4cccs4)cc23)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.