Using COC(=O)c1ccc(C2SCCNc3c2c(-c2ccccn2)nn3C)c(Cl)c1 to produce Cn1nc(-c2ccccn2)c2c1NCCSC2c1ccc(C(=O)O)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.