Using O=C(c1ccc(CBr)cc1)c1ccc([N+](=O)[O-])cc1, Cc1cccc2nc(S)n(C)c(=O)c12 to produce Cc1cccc2nc(SCc3ccc(C(=O)c4ccc([N+](=O)[O-])cc4)cc3)n(C)c(=O)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.