Using COc1ccc2[nH]cc(C(=O)C(=O)N3CCC(Oc4ccc(F)cc4)CC3)c2c1 to produce COc1ccc2[nH]cc(CCN3CCC(Oc4ccc(F)cc4)CC3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.