Using ClCCl, O=C(NC(=Cc1ccccc1)c1ccccc1)C(F)(F)F to produce FC(F)(F)C(Cl)=NC(=Cc1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.