Using CC(C)(C)[Si](C)(C)Oc1ccc(CCCCNC(=O)OCc2ccccc2)c2ccccc12 to produce O=C(NCCCCc1ccc(O)c2ccccc12)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.