Using CC(C)(C)C(=O)OCCl, Cc1cc(-c2nc(-c3ccc(OCC(C)C)c([N+](=O)[O-])c3)n[nH]2)ccn1 to produce Cc1cc(-c2nc(-c3ccc(OCC(C)C)c([N+](=O)[O-])c3)nn2COC(=O)C(C)(C)C)ccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.