Using CC(C)(C)OC(=O)NC[C@H]1c2ccccc2C[C@H]1N, O=C(O)c1cc2sc(Cl)c(Cl)c2[nH]1 to produce CC(C)(C)OC(=O)NC[C@H]1c2ccccc2C[C@H]1NC(=O)c1cc2sc(Cl)c(Cl)c2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.