Using C[C@H](N)C(=O)O, COC(=O)c1ncc2cc(Oc3ccccc3)ccc2c1S to produce C[C@H](NC(=O)c1ncc2cc(Oc3ccccc3)ccc2c1S)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.