Using O=C(O)C(F)(F)Cl, CCCN1CC(C)=C(NS(C)(=O)=O)C2=C1N1CN(O)C=C1C=N2 to produce CCCN1CC(C)=C(NS(C)(=O)=O)C2=C1N1CN(OC(F)F)C=C1C=N2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.