Using C[C@@H](O[Si](C)(C)C(C)(C)C)[C@H](CO[Si](C)(C)C(C)(C)C)Cn1cnc2c(N)ncnc21, O=C(Cl)c1ccccc1 to produce C[C@@H](O[Si](C)(C)C(C)(C)C)[C@H](CO[Si](C)(C)C(C)(C)C)Cn1cnc2c(NC(=O)c3ccccc3)ncnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.