Using NN1Nc2c(Cl)ncnc2N1Cc1cccc(C2(O)CCOCC2)n1, OB(O)c1ccccc1 to produce NN1Nc2c(-c3ccccc3)ncnc2N1Cc1cccc(C2(O)CCOCC2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.