Using CCCCCCCCCC(Br)Br, Cc1ccnc(-c2cc(C)ccn2)c1 to produce Cc1ccnc(-c2cc(CCCCCCCCCCCBr)ccn2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.