Using CC(=O)CC(N)=O, CCOC=C(C(=O)OCC)C(=O)C(=O)OCC to produce CCOC(=O)c1cc(C(C)=O)c(=O)[nH]c1C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.