Using CCOC(=O)Cc1c(C)c2c(c([N+](=O)[O-])c1C)N(C(C)=O)CC2 to produce CCOC(=O)Cc1c(C)c(N)c2c(c1C)CCN2C(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.