Using COC(=O)c1nc(-c2ccc(Cl)c(OC)c2F)c(F)c(N)c1OC to produce COc1c(C(=O)O)nc(-c2ccc(Cl)c(OC)c2F)c(F)c1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.