Using Cc1cc(-c2ccccc2)nc2oc3c(Cl)nc(Cl)nc3c12, CC[O-] to produce CCOc1nc(Cl)nc2c1oc1nc(-c3ccccc3)cc(C)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.