Using O=Cc1cnccc1NC(=O)Cc1c(Cl)cc([N+](=O)[O-])cc1Cl to produce O=c1[nH]c2ccncc2cc1-c1c(Cl)cc([N+](=O)[O-])cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.