Using CCOC(C)=O, COC(=O)CC(N)c1ccc(C)cc1 to produce COC(=O)CC(c1ccc(C)cc1)N1C(=O)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.