Using CC(C)=CCN1C(=O)c2ccccc2C1=O, CCOC(N)=O to produce CCOC(=O)NC(C)(C)CCN1C(=O)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.