Using O=C(O)c1cc2cc(Br)ccc2[nH]1, BrC(c1ccccc1)c1ccccc1 to produce O=C(O)c1cc2cc(Br)ccc2n1C(c1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.