Using O=C1C=CC2=C(C1)n1ccc3c1=C(CCC=3)c1nncn12, BrCCc1ccccc1 to produce O=C1C=CC2=C(C1CCc1ccccc1)n1ccc3c1=C(CCC=3)c1nncn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.