Using COC(=O)c1nc(-c2cc(OC)c(OC)c(OC)c2)nc2ccc(F)cc12 to produce COc1cc(-c2nc(C(=O)O)c3cc(F)ccc3n2)cc(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.