Using COc1cc(C(=O)NCc2ccc(-c3noc(C)n3)cc2NCc2ccccc2)cc(OC)c1C, COC(=O)CBr to produce COc1cc(C(=O)NCc2ccc(-c3noc(C)n3)cc2N(CC(=O)O)Cc2ccccc2)cc(OC)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.