Using COC(=O)Cc1cc2c(c([N+](=O)[O-])c1)N(C(C)=O)CC2 to produce COC(=O)Cc1cc2c(c([N+](=O)[O-])c1)NCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.