Using CI, C[Si](C)(C)CCOCn1cc(C=O)c2nc(-c3n[nH]c4cc(F)cc(F)c34)cnc21 to produce Cn1nc(-c2cnc3c(n2)c(C=O)cn3COCC[Si](C)(C)C)c2c(F)cc(F)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.