Using CC(C)(C)OC(=O)Nc1c(Br)cc(Br)cc1CN[C@H]1CC[C@H](OC(=O)CCCO[N+](=O)[O-])CC1 to produce Nc1c(Br)cc(Br)cc1CN[C@H]1CC[C@H](OC(=O)CCCO[N+](=O)[O-])CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.