Using CCOC(=O)CC(C)c1ccc(NC(=O)Cc2ccc([N+](=O)[O-])c(OC(C)=O)c2)cn1 to produce CC(CC(=O)O)c1ccc(NC(=O)Cc2ccc([N+](=O)[O-])c(O)c2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.