Using CS(=O)c1cc(N2CCC3(CC2)OCCO3)nc2sc(C(N)=O)c(N)c12, OCC(F)(F)F to produce NC(=O)c1sc2nc(N3CCC4(CC3)OCCO4)cc(OCC(F)(F)F)c2c1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.