Using COC(=O)C[C@H](C(=O)OC(C)(C)C)[C@H](O)C(=O)N(Cc1ccc2ccccc2c1)[C@H](C)[C@H](C/C=C/c1nc2ccccc2o1)c1ccc2c(c1)OCO2 to produce COC(=O)CC(C(=O)OC(C)(C)C)=C(O)C(=O)N(Cc1ccc2ccccc2c1)[C@H](C)[C@H](C/C=C/c1nc2ccccc2o1)c1ccc2c(c1)OCO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.