Using OCc1nnc(S)s1, CC(=O)OCC1=C(C(=O)O)N2C(=O)[C@@H](N)[C@H]2SC1 to produce NC1C(=O)N2C(C(=O)O)=C(CSc3nnc(CO)s3)CS[C@H]12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.