Using COC(=O)[C@@H]1C[C@H](N)CN1C(=O)OC(C)(C)C, O=C(O)c1ccc(Cl)s1 to produce COC(=O)[C@@H]1C[C@H](NC(=O)c2ccc(Cl)s2)CN1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.