Using CC(C)(C)[Si](C)(C)OCCn1ccc(NC(=O)[C@H](CC2CCCC2)c2ccc(Cl)c(Cl)c2)n1 to produce O=C(Nc1ccn(CCO)n1)[C@H](CC1CCCC1)c1ccc(Cl)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.