Using CCOC(=O)CCCc1c[nH]c2c(-c3noc(-c4ccc(OC(C)C)c(Cl)c4)n3)cccc12, COC(=O)OC to produce CCOC(=O)CCCc1cn(C)c2c(-c3noc(-c4ccc(OC(C)C)c(Cl)c4)n3)cccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.