Using CC(C)(C)OC(=O)N1CCN(c2ccc(/C=C/C(=O)CC(=O)/C=C/c3ccc(O)cc3)c(Br)c2)CC1 to produce O=C(/C=C/c1ccc(O)cc1)CC(=O)/C=C/c1ccc(N2CCNCC2)cc1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.