Using O=Cc1nc2cccc(Cl)c2nc1-c1cc(F)ccc1Cl, C1CCOC1 to produce CC(O)c1nc2cccc(Cl)c2nc1-c1cc(F)ccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.