Using CC(C)OC(=O)CBr, c1ccc(C(=C2CCNCC2)c2ccccc2)cc1 to produce CC(C)OC(=O)CN1CCC(=C(c2ccccc2)c2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.