Using O=C(O)c1cc(Cc2cc(F)ccc2F)on1, CC[Si](CC)(CC)c1[nH]c2ncc(Cl)cc2c1CCN to produce NC(=O)c1cc(Cc2cc(F)ccc2F)on1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.