Using C[C@@H]1N=C(c2ccccc2Cl)c2c(ccc(NC(=O)NCC3COC(C)(C)O3)c2Br)N(C)C1=O to produce C[C@@H]1N=C(c2ccccc2Cl)c2c(ccc(NC(=O)NCC(O)CO)c2Br)N(C)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.