Using Cc1ccc(CBr)c(C)c1, CCOC(=O)CNC(=O)c1c(O)n(C2CCCCC2)c(=O)[nH]c1=O to produce Cc1ccc(Cn2c(=O)c(C(=O)NCC(=O)O)c(O)n(C3CCCCC3)c2=O)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.