Using O=C(c1cccc([N+](=O)[O-])c1)N1CCS(=O)(=O)CC1 to produce Nc1cccc(C(=O)N2CCS(=O)(=O)CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.