Using Nc1cc(C(=O)NCc2ccccc2)ccn1, O=C(Cl)c1ccccc1F to produce O=C(NCc1ccccc1)c1ccnc(NC(=O)c2ccccc2F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.