Using O=c1ccccn1C(=S)n1ccccc1=O, Cc1nc(C)n(-c2ccc(N)cc2F)n1 to produce Cc1nc(C)n(-c2ccc(NC(N)=S)cc2F)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.