Using COC(=O)c1c[nH]cn1, CC(=O)OC1c2cccc(Cl)c2C(O)C1(C)C to produce COC(=O)c1cncn1C1c2c(Cl)cccc2C(OC(C)=O)C1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.