Using CCCCc1nc2c(N)nc3ccccc3c2n1CCCN, S=C=Nc1ccccc1 to produce CCCCc1nc2c(N)nc3ccccc3c2n1CCCNC(=S)Nc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.