Using c1csc(-c2noc(C3CCNCC3)n2)n1, O=C(O)CCCC(F)(F)F to produce O=C(CCCC(F)(F)F)N1CCC(c2nc(-c3nccs3)no2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.