Using CCCCCCCCc1ccc2c(c1)CCCC(Br)C2=O, COC(=O)C(NC(C)=O)C(=O)OC to produce CCCCCCCCc1ccc2c(c1)CCCC(C(NC(C)=O)(C(=O)OC)C(=O)OC)C2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.