Using O=[N+]([O-])c1ccccc1S(=O)(=O)N(CCN1CCS(=O)(=O)CC1)CCN1CCS(=O)(=O)CC1 to produce O=S1(=O)CCN(CCNCCN2CCS(=O)(=O)CC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.