Using Cc1cccnc1CN(Cc1ncccc1C)C1CCNCC1, O=Cc1ccccn1 to produce Cc1cccnc1CN(Cc1ncccc1C)C1CCN(Cc2ccccn2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.