Using C[O-], Fc1ccccc1C1=NCc2cnc(Cl)nc2-c2ccc(Cl)cc21 to produce COc1ncc2c(n1)-c1ccc(Cl)cc1C(c1ccccc1F)=NC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.