Using CSCCCCCn1c(C)nc2c(Oc3ccccc3)nc(C)c(C)c21, [NH4+] to produce CSCCCCCn1c(C)nc2c(N)nc(C)c(C)c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.