Using CSc1nc(Cl)c(C=O)c(Nc2ccccc2Cl)n1, Oc1ccccc1 to produce CSc1nc(Nc2ccccc2Cl)c(C=O)c(Oc2ccccc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.