Using COC(=O)Nc1nc2ccccc2n1CCCN1CCN(C(c2ccccc2)c2ccccc2)CC1 to produce Nc1nc2ccccc2n1CCCN1CCN(C(c2ccccc2)c2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.