Using C[Mg+], COc1ccc(CN2CC(C(=O)N(C)OC)CC2=O)c(OC)c1 to produce COc1ccc(CN2CC(C(C)=O)CC2=O)c(OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.