Using COC(=O)c1cc2ccc(Cc3ncc[nH]3)cc2[nH]1, BrCc1ccccc1 to produce COC(=O)c1cc2ccc(Cc3ncc[nH]3)cc2n1Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.