Using CC1(C)OB(c2cn[nH]c2)OC1(C)C, CS(=O)(=O)OC1CCOC1 to produce CC1(C)OB(c2cnn(C3CCOC3)c2)OC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.