Using Nc1cc(Br)cc2cccnc12, ClCCN(CCCl)Cc1ccccc1 to produce Brc1cc(N2CCN(Cc3ccccc3)CC2)c2ncccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.