Using CS(=O)(=O)c1ccc(NN)cc1, O=C1CCN2CCC1CC2 to produce CS(=O)(=O)c1ccc2[nH]c3c(c2c1)CN1CCC3CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.