Using Cc1cn(C(=O)OCc2ccccc2)c2ccc3c(=O)c(-c4ccc(Cl)cc4)c(C(C)C)oc3c12 to produce Cc1c[nH]c2ccc3c(=O)c(-c4ccc(Cl)cc4)c(C(C)C)oc3c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.