Using Cn1c(CCCl)nc2cc(Br)c3ccccc3c21, c1ccc(CN2CCNCC2)cc1 to produce Cn1c(CCN2CCN(Cc3ccccc3)CC2)nc2cc(Br)c3ccccc3c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.