Using CCOC(=O)c1cnc(-c2c(CC)cccc2CC)cc1OCC, Cl[Mg]C1CCCC1 to produce CCOc1cc(-c2c(CC)cccc2CC)ncc1C(O)C1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.