Using NCCCCc1csc(NC(N)=NCC(F)(F)F)n1, CN=C=S to produce CNC(=S)NCCCCc1csc(NC(N)=NCC(F)(F)F)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.