Using Cc1ccc(Nc2cc(N3CCCCC3)nc(N3CCN(Cc4ccccc4)CC3)n2)cc1 to produce Cc1ccc(Nc2cc(N3CCCCC3)nc(N3CCNCC3)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.