Using Clc1nccnc1Cl, N#Cc1ccc2[nH]c(C3CCNC3)nc2c1 to produce N#Cc1ccc2[nH]c(C3CCN(c4nccnc4Cl)C3)nc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.