Using Clc1cc(Nc2ccc3cccnc3c2)ncn1, c1ccc(N2CCNCC2)cc1 to produce c1ccc(N2CCN(c3cc(Nc4ccc5cccnc5c4)ncn3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.