Using CC(N)CCC[Si](C)(C)C, Cc1nc(C(F)F)c(C(=O)O)s1 to produce Cc1nc(C(F)F)c(C(=O)NC(C)CCC[Si](C)(C)C)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.