Using CCOC(=O)N1CCN(CCOC(C)(c2ccc(F)cc2)c2ccc(F)cc2)CC1 to produce CC(OCCN1CCNCC1)(c1ccc(F)cc1)c1ccc(F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.