Using COc1cccn(-c2ccc(-n3cnc(CNC(=O)c4ccc(Cl)s4)c3)cc2)c1=O to produce O=C(NCc1cn(-c2ccc(-n3cccc(O)c3=O)cc2)cn1)c1ccc(Cl)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.