Using c1cn[nH]n1, CC(Br)c1cncc(N2CCc3cc(Cl)ccc3C2=O)c1 to produce CC(c1cncc(N2CCc3cc(Cl)ccc3C2=O)c1)n1nccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.