Using CC(C)(C)[Si](C)(C)OCc1cccc(N2CCNCC2)c1F, Clc1ccncn1 to produce CC(C)(C)[Si](C)(C)OCc1cccc(N2CCN(c3ccncn3)CC2)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.