Using O=C(Cl)Cc1ccccc1, Nc1c(O)cc(-c2ccccc2)oc1=O to produce O=C(Cc1ccccc1)Nc1c(O)cc(-c2ccccc2)oc1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.