Using CC(C)(C)[Si](C)(C)OCc1cccc(CCC(=O)N2CCOCC2)n1 to produce CC(C)(C)[Si](C)(C)OCc1cccc(CCCN2CCOCC2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.