Using CCCN(CCOc1ncc([N+](=O)[O-])c(OC)n1)C(=O)OC(C)(C)C to produce CCCN(CCOc1ncc(N)c(OC)n1)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.