Using C[C@@H]1Nc2cc(C#N)ccc2NC(=O)[C@H]1NC(=O)OC(C)(C)C, COc1ccc2ccccc2c1CCl to produce COc1ccc2ccccc2c1CN1C(=O)[C@@H](NC(=O)OC(C)(C)C)[C@H](C)Nc2cc(C#N)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.