Using Cn1cnc(-c2ccc([C@H]3C[C@@H]3c3n[nH]c(=O)o3)cc2)c1Sc1ccc(Cl)cn1, O=C([O-])[O-] to produce Cn1cnc(-c2ccc([C@H]3C[C@@H]3c3nn(C)c(=O)o3)cc2)c1Sc1ccc(Cl)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.