Using O=C(OC(Cl)(Cl)Cl)OC(Cl)(Cl)Cl, COC(=O)COc1ccc(N)c(F)c1 to produce COC(=O)COc1ccc(N=C=O)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.