Using CCC=O, Cn1nc([C@H]2CCCN2)c2c3c(c(=O)[nH]c21)CCCC3 to produce CCCN1CCC[C@@H]1c1nn(C)c2[nH]c(=O)c3c(c12)CCCC3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.