Using CC(C)(C)OC(=O)N[C@@H](CN1C(=O)c2ccccc2C1=O)c1ccccc1 to produce CC(C)(C)OC(=O)N[C@@H](CN)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.