Using CC1(C)OB(c2cn[nH]c2)OC1(C)C, ClCCN1CCOCC1 to produce CC1(C)OB(c2cnn(CCN3CCOCC3)c2)OC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.