Using CCOC(C)n1cc(-c2c(C)c(Cl)cc(C(C)=O)c2OC)cn1 to produce COc1c(C(C)=O)cc(Cl)c(C)c1-c1cn[nH]c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.