Using CC(C)(C)OC(=O)NC[C@H]1CC[C@H](ON2C(=O)c3ccccc3C2=O)C1 to produce CC(C)(C)OC(=O)NC[C@H]1CC[C@H](ON)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.