Using CC(C)(C)[Si](C)(C)OCCC=O, CC1(C)CCC(C)(C)c2cc(-c3csc(N4CCC(N)CC4)n3)ccc21 to produce CC1(C)CCC(C)(C)c2cc(-c3csc(N4CCC(NCCCO)CC4)n3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.