Using COC(=O)c1c(-c2cccc(F)c2)nn2nc(OC)ccc12 to produce COc1ccc2c(C(=O)O)c(-c3cccc(F)c3)nn2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.