Using CC[Mg]Br, CC(C)(C)[Si](C)(C)Oc1ccc(-c2noc(C3(C=O)CC3)c2-c2ccccc2)cc1 to produce CCC(O)C1(c2onc(-c3ccc(O[Si](C)(C)C(C)(C)C)cc3)c2-c2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.