Using CCOC(=O)c1ccc(Cn2cc(C3c4ccccc4C=Cc4oc(C)nc43)c(=S)[nH]c2=O)o1 to produce Cc1nc2c(o1)C=Cc1ccccc1C2c1cn(Cc2ccc(C(=O)O)o2)c(=O)[nH]c1=S, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.