Using CCc1c(CC=O)cccc1-c1nsc(-c2ccc(CC(C)C)c(C#N)c2)n1, O=C(O)[C@@H]1CCCN1 to produce CCc1c(CCN2CCC[C@H]2C(=O)O)cccc1-c1nsc(-c2ccc(CC(C)C)c(C#N)c2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.