Using Cc1ccc2c(c1)C=Cc1cc(C)ccc1C2c1cn(Cc2nc(C(=O)O)cs2)c(=O)[nH]c1=S, COC(=O)C[C@H](N)C(=O)OC to produce COC(=O)C[C@H](NC(=O)c1csc(Cn2cc(C3c4ccc(C)cc4C=Cc4cc(C)ccc43)c(=S)[nH]c2=O)n1)C(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.