Using CON=C(C(=O)NC1C(=O)N2C(C(=O)O)=C(CO)CS[C@H]12)c1csc(N)n1 to produce CON=C(C(=O)NC1C(=O)N2C3=C(COC3=O)CSC12)c1csc(N)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.