Using O=c1[nH]c2ccc([N+](=O)[O-])cc2o1, COC(=O)CBr to produce COC(=O)Cn1c(=O)oc2cc([N+](=O)[O-])ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.