Using CN(Cc1nc2ccccc2n1CCO[Si](C)(C)C(C)(C)C)C(=O)Cn1c(=O)sc2ccc(Cl)cc21 to produce CN(Cc1nc2ccccc2n1CCO)C(=O)Cn1c(=O)sc2ccc(Cl)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.