Using O=C(c1ccc(CN2CCOCC2)cc1)N1CCNCC1, CCOC1(O[Si](C)(C)C)CC1 to produce O=C(c1ccc(CN2CCOCC2)cc1)N1CCN(C2CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.