Using CC1(C)OB(c2ccc(Oc3ccc(C#N)c(NCCO[Si](C)(C)C(C)(C)C)n3)cc2C=O)OC1(C)C to produce N#Cc1ccc(Oc2ccc3c(c2)COB3O)nc1NCCO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.