Using CS(=O)(=O)Cl, Cn1c(COc2ccc(CC3SC(=O)NC3=O)cc2)nc2ccc(Oc3ccc(N)cc3)cc21 to produce Cn1c(COc2ccc(CC3SC(=O)NC3=O)cc2)nc2ccc(Oc3ccc(NS(C)(=O)=O)cc3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.