Using O=C(c1ccc(CBr)cc1)N1CCCC1, FC(F)(F)c1n[nH]c2c1CCCC2 to produce O=C(c1ccc(Cn2nc(C(F)(F)F)c3c2CCCC3)cc1)N1CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.