Using CC(=O)OC(C)=O, COc1ccc2c(c1)[C@@]13CCCC[C@H]1[C@@H](C2)NCC3 to produce COc1ccc2c(c1)[C@@]13CCCC[C@H]1[C@@H](C2)N(C(C)=O)CC3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.