Using C=COC(=O)N1CC2C(=O)CCC(c3cccc(F)c3)(c3cccc(F)c3)C2C1 to produce O=C1CCC(c2cccc(F)c2)(c2cccc(F)c2)C2CNCC12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.