Using COC(=O)N=c1[nH]c2ccccc2n1C1CCN(Cc2ccccc2)CC1 to produce Nc1nc2ccccc2n1C1CCN(Cc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.