Using CCOC(=O)COc1ccc(CCN[C@@H](C)[C@H](O)c2ccc(O)cc2)cc1Br to produce C[C@H](NCCc1ccc(OCC(=O)O)c(Br)c1)[C@H](O)c1ccc(O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.