Using OB(O)c1ccccc1, CCOC(=O)C=Cc1ccc(C(F)(F)F)nc1Cl to produce CCOC(=O)C=Cc1ccc(C(F)(F)F)nc1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.