Using CC1CCNCC1, Clc1nc(Nc2cc(C3CC3)[nH]n2)c2ccccc2n1 to produce CC1CCN(c2nc(Nc3cc(C4CC4)n[nH]3)c3ccccc3n2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.