Using CN1CCN(c2ccnc(-c3cc(Cl)c([Si](C)(C)C)s3)c2)CC1 to produce CN1CCN(c2ccnc(-c3cc(Cl)cs3)c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.