Using O=C1NC(=S)CS1, CN(C)C(=O)[C@@H](N)CS(C)(=O)=O to produce CN(C)C(=O)[C@H](CS(C)(=O)=O)NC1=NC(=O)SC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.