Using CC1(C)OB(c2ccc(Oc3cc(OCCOC4CCCCO4)c(C#N)cn3)cc2C=O)OC1(C)C to produce N#Cc1cnc(Oc2ccc3c(c2)COB3O)cc1OCCOC1CCCCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.