Using CCN=C=NCCCN(C)C, COc1ncc(C#N)c2c1c(Nc1cccc(C(=O)O)c1)cn2C1CCCC1 to produce COc1ncc(C#N)c2c1c(Nc1cccc(C(N)=O)c1)cn2C1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.