Using CN(C(=O)OC(C)(C)C)C1CCC(O)CC1, CC(C)(C)[Si](C)(C)OCC[C@H]1CCc2sc3ncnc(Cl)c3c21 to produce CN(C(=O)OC(C)(C)C)C1CCC(Oc2ncnc3sc4c(c23)[C@@H](CCO[Si](C)(C)C(C)(C)C)CC4)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.