Using CC(C)[Si](Cl)(C(C)C)C(C)C, COC[C@H](C)Oc1cc(Oc2cnc(S(C)(=O)=O)cn2)cc(-c2ccc(C(=O)NC[C@H](O)CO)[nH]2)c1 to produce COC[C@H](C)Oc1cc(Oc2cnc(S(C)(=O)=O)cn2)cc(-c2ccc(C(=O)NC[C@H](O)CO[Si](C(C)C)(C(C)C)C(C)C)[nH]2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.