Using O=C(Cc1c(Cl)ccc(Cl)c1Cl)Nc1nccnc1C(=O)O, O=S(=O)(OCC(F)F)C(F)(F)F to produce O=c1c(-c2c(Cl)ccc(Cl)c2Cl)c(O)c2nccnc2n1CC(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.