Using Oc1ccc2[nH]ncc2c1, CCOC(=O)c1ccc(F)cc1F to produce CCOC(=O)c1ccc(F)cc1Oc1ccc2[nH]ncc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.