Using O=C(n1ccnc1)n1ccnc1, COc1ccc(CSc2ccncc2C(=O)O)cc1 to produce COC(=O)c1cnccc1SCc1ccc(OC)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.