Using O=C1c2ccccc2Cc2cc(-c3ccc4ccccc4c3)ccc21, Brc1ccc2ccccc2c1 to produce c1ccc2cc(-c3ccc4c(-c5ccc6ccccc6c5)c5ccccc5cc4c3)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.