Using COCCN(C)c1nc(Oc2ccc(B3OC(C)(C)C(C)(C)O3)c(C=O)c2)ccc1C#N to produce COCCN(C)c1nc(Oc2ccc3c(c2)COB3O)ccc1C#N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.