Using c1cncc([C@@H]2CCCCN2)c1, O=C(O)c1cccc(Br)n1 to produce O=C(c1cccc(Br)n1)N1CCCCC1c1cccnc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.