Using C=CC(N)=O, COC(=O)[C@H](CCCCNC(=O)OCc1ccccc1)N=Cc1ccccc1 to produce O=C1CCC(CCCCNC(=O)OCc2ccccc2)(N=Cc2ccccc2)C(=O)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.