Using O=[N+]([O-])[O-], CC(C)(Sc1cc(C(C)(C)C)c(O)c(C(C)(C)C)c1)Sc1cc(C(C)(C)C)c(OC(=O)CCCBr)c(C(C)(C)C)c1 to produce O=C(O)CCCO[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.