Using CC(C)(C)[Si](OCCOC[C@H](Oc1ncnc2c1cnn2-c1ncccc1Cl)C(=O)Nc1ccc(C#N)cn1)(c1ccccc1)c1ccccc1 to produce N#Cc1ccc(NC(=O)[C@H](COCCO)Oc2ncnc3c2cnn3-c2ncccc2Cl)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.