Using O=C(Cc1nc2c([nH]1)CCCC2)c1cccs1, C#CC(=O)O to produce O=C(c1cccs1)c1ccc(=O)n2c3c([nH]c12)CCCC3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.