Using CC(C)(C)OC(=O)N1C[C@H]2C[C@H]2C[C@H]1CN1C(=O)c2ccccc2C1=O to produce CC(C)(C)OC(=O)N1C[C@H]2C[C@H]2C[C@H]1CN, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.