Using CC(C)(C)OC(=O)CN(CC(=O)OC(C)(C)C)NC(=O)OCc1ccccc1 to produce CC(C)(C)OC(=O)CN(N)CC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.