Using Clc1nccnc1OC1CCCN(c2ccc3ccccc3n2)C1, OCC1CCNCC1 to produce OCC1CCN(c2nccnc2OC2CCCN(c3ccc4ccccc4n3)C2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.