Using Brc1ccc2c3c(cccc13)C=C2, CC(C)(C)OC(=O)N1CCC(=O)CC1 to produce CC(C)(C)OC(=O)N1CCC(O)(c2ccc3c4c(cccc24)CC3)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.