Using OCCCCc1ncnc2scc(-c3ccc(F)cc3)c12, COC(=O)c1cncc(O)c1 to produce COC(=O)c1cncc(OCCCCc2ncnc3scc(-c4ccc(F)cc4)c23)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.