Using CC(C)(C)OC(=O)CC(=O)CCC1CC(=O)N1OCc1ccccc1 to produce CC(C)(C)OC(=O)CC(=O)CCC1CC(=O)N1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.