Using CCCCC1(N(C)C)CC=C(c2[nH]c3ccccc3c2Cc2ccccc2)CC1 to produce CCCCC1(N(C)C)CCC(c2[nH]c3ccccc3c2Cc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.