Using O=Cc1ccccc1, COC(=O)[C@@H](Cc1ccccc1)NCCNC(=O)OC(C)(C)C to produce O=C1NCCN(Cc2ccccc2)[C@@H]1Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.