Using O=C(NC1=NC2(CCS1)c1cc(I)ccc1Oc1ncc(Br)cc12)c1ccc([N+](=O)[O-])cc1 to produce NC1=NC2(CCS1)c1cc(I)ccc1Oc1ncc(Br)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.