Using COc1ccc2c(c1)N(C1CCN(Cc3ccccc3)CC1)C(=O)C2=O to produce COc1ccc2ccn(C3CCN(Cc4ccccc4)CC3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.