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