Using CCOC(=O)C1CCCC2CCNCC21, O=C(O)CCc1ccc(F)cc1 to produce CCOC(=O)C1CCCC2CCN(C(=O)CCc3ccc(F)cc3)CC21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.