Using C[Si](C)(C)CCOCn1nc(-c2cccc(N3CCNC(=O)C3)n2)c2cc(-c3cccnc3)ncc21 to produce O=C1CN(c2cccc(-c3n[nH]c4cnc(-c5cccnc5)cc34)n2)CCN1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.