Using Cc1ccc(N2CCN(CCC=Cc3ccc4c(c3)CCC(=O)N4)CC2)cc1 to produce Cc1ccc(N2CCN(CCCCc3ccc4c(c3)CCC(=O)N4)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.