Using BrCc1ccccc1, Nc1c(-c2ccccc2)sc2ccccc12 to produce c1ccc(CN(Cc2ccccc2)c2c(-c3ccccc3)sc3ccccc23)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.