Using COC1CCN(C(C(=O)Nc2cc(CC3(C(=O)OC(C)(C)C)CC3)ccc2F)C2=CCCC2)CC1 to produce COC1CCN(C(C(=O)Nc2cc(CC3(C(=O)OC(C)(C)C)CC3)ccc2F)C2CCCC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.