Using c1nc[nH]n1, FC(F)(F)c1cccc(C(Cl)c2ccc3ncccc3c2Cl)c1 to produce FC(F)(F)c1cccc(C(c2ccc3ncccc3c2Cl)n2cncn2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.