Using O=[N+]([O-])O, CCOC(=O)CCC1CN(C(C)=O)c2cc(C)c(Br)c(C)c21 to produce CCOC(=O)CCC1CN(C(C)=O)c2c1c(C)c(Br)c(C)c2[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.