Using Nc1ncnc2c1ncn2[C@@H]1O[C@H](COP(=O)([O-])OP(=O)([O-])[O-])[C@@H](O)[C@H]1O, C[Si](C)(C)Cl to produce C[Si](C)(C)[C@@]1(n2cnc3c(N)ncnc32)O[C@H](COP(=O)(O)OP(=O)(O)O)[C@@H](O)[C@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.