Using COC(=O)C1CCN(C(=O)OC)C(c2ccc(F)c(F)c2)C1 to produce COC(=O)N1CCC(C(=O)O)CC1c1ccc(F)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.