Using C#Cc1ccc(C(=O)O)s1, NCc1cn(-c2ccc(-n3ccccc3=O)cc2)cn1 to produce C#Cc1ccc(C(=O)NCc2cn(-c3ccc(-n4ccccc4=O)cc3)cn2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.