Using OB(O)c1cccc(F)c1, CCOC(=O)c1cc2ccc(Cl)cc2[nH]1 to produce CCOC(=O)c1cc2ccc(Cl)cc2n1-c1cccc(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.