Using CC[C@@H](C(=O)N[C@H]1COc2ccccc2N(Cc2c(OC)ccc3cc(Br)ccc23)C1=O)N(C)C(=O)OC(C)(C)C to produce CC[C@H](NC)C(=O)N[C@H]1COc2ccccc2N(Cc2c(OC)ccc3cc(Br)ccc23)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.