Using COC(=O)C(=CC(C)(C)NC(=O)OCc1ccccc1)NC(=O)OC(C)(C)C to produce CC1(C)CC(NC(=O)OC(C)(C)C)C(=O)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.