Using O=C(N=C(c1ccccc1)C1CCN1C(c1ccccc1)c1ccccc1)C(F)(F)F to produce O=C(NC(c1ccccc1)C1CCN1C(c1ccccc1)c1ccccc1)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.