Using c1cnc2ccc(C3(c4cnc5ncc(-c6cn[nH]c6)cn45)CC3)cc2c1, O=C([O-])[O-] to produce Cn1cc(-c2cnc3ncc(C4(c5ccc6ncccc6c5)CC4)n3c2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.