Using COC(=O)c1cccc(Br)n1, c1cncc(Cc2cccnc2)c1 to produce O=C(c1cccc(Br)n1)C(c1cccnc1)c1cccnc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.