Using CCOC(=O)C1(C(=O)O)CN(C(=O)OC(C)(C)C)C1, CCN(CC)CC to produce CCOC(=O)C1(C(N)=O)CN(C(=O)OC(C)(C)C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.