Using CCOC(=O)c1nccnc1C(CC)S(=O)(=O)Cc1c(Cl)cccc1C(F)(F)F to produce CCC1c2nccnc2C(O)=C(c2c(Cl)cccc2C(F)(F)F)S1(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.