Using ClCc1ccc(Cl)nc1, O=C(N=c1cccc[nH]1)C(F)(F)Cl to produce O=C(N=c1ccccn1Cc1ccc(Cl)nc1)C(F)(F)Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.