Using CCCCc1[nH]c2cc(C(=O)O)ccc2c1C1=C(C(=O)OC)CCC1, BrCc1ccccc1 to produce CCCCc1c(C2=C(C(=O)OC)CCC2)c2ccc(C(=O)O)cc2n1Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.