Using Cc1cc(N2CCC(C(=O)N3CCN(S(=O)(=O)c4ccc(Cl)cc4)CC3)CC2)nc(C)n1 to produce Cc1cc(N2CCC(CN3CCN(S(=O)(=O)c4ccc(Cl)cc4)CC3)CC2)nc(C)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.