Using Cc1ccc2c(n1)oc1c(N3CCOCC3)nc(Cl)nc12, OB(O)c1cccc2[nH]ccc12 to produce Cc1ccc2c(n1)oc1c(N3CCOCC3)nc(-c3cccc4[nH]ccc34)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.