Using CCCO, N#Cc1c(Cl)nc(SCc2csc(-c3ccc(Cl)cc3)n2)c(C#N)c1-c1ccccc1 to produce CCCOc1nc(SCc2csc(-c3ccc(Cl)cc3)n2)c(C#N)c(-c2ccccc2)c1C#N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.