Using BrCc1ccccc1, Cc1c(-c2cccnc2)[nH]c2ccccc12 to produce Cc1c(-c2cccnc2)n(Cc2ccccc2)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.