Using O=[N+]([O-])c1cccc(Br)c1CBr, CNC(=O)OC(C)(C)C to produce CN(Cc1c(Br)cccc1[N+](=O)[O-])C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.