Using O=C1Nc2ccccc2C1(O)c1ccccc1, BrCc1ccccc1 to produce O=C1N(Cc2ccccc2)c2ccccc2C1(O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.