Using NCC(N)=O, CC1(C)OB(c2ccc(N=C=O)cc2)OC1(C)C to produce CC1(C)OB(c2ccc(NC(=O)NCC(N)=O)cc2)OC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.