Using C[Si](C)(C)CCOCn1c(Oc2ccc(C3CCCn4ccnc43)cc2)nc2ccccc21 to produce c1ccc2[nH]c(Oc3ccc(C4CCCn5ccnc54)cc3)nc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.