Using COC(=O)c1cnc(-c2cccn2C(=O)OC(C)(C)C)c([N+](=O)[O-])c1 to produce COC(=O)c1cnc2c(c1)[nH]c(=O)n1cccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.