Using CCC(=O)N1C(=O)OC[C@@H]1Cc1ccccc1, O=C1CN(C(=O)OCc2ccccc2)C1 to produce C[C@@H](C(=O)N1C(=O)OC[C@@H]1Cc1ccccc1)C1(O)CN(C(=O)OCc2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.