Using CC1(C)OB(C2=CCCOC2)OC1(C)C, NC1=N[C@@]2(CCO1)c1cc(N)ccc1Oc1cnc(Cl)cc12 to produce NC1=N[C@@]2(CCO1)c1cc(N)ccc1Oc1cnc(C3=CCCOC3)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.