Using O=C(N1CCNCC1)N1CCN(S(=O)(=O)c2ccc(Br)cc2)CC1, Cc1cc(Cl)ncn1 to produce Cc1cc(N2CCN(C(=O)N3CCN(S(=O)(=O)c4ccc(Br)cc4)CC3)CC2)ncn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.