Using O=C1CSc2ccc(C(=O)O)nc2N1, CNCC1CCN(C(=O)OC(C)(C)C)C1 to produce CN(CC1CCN(C(=O)OC(C)(C)C)C1)C(=O)c1ccc2c(n1)NC(=O)CS2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.