Using O=C(N1CCC(c2ccc(S(=O)(=O)Nc3ncns3)cc2)CC1)C(F)(F)F to produce O=S(=O)(Nc1ncns1)c1ccc(C2CCNCC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.