Using CC[Si](CC)(CC)O[C@@H]1CN(CCCCN(CC(OC)OC)C(=O)[C@H](C)Nc2ccc(Cl)c(Cl)c2)CCC12CC2 to produce C[C@H]1C(=O)N(CCCCN2CCC3(CC3)[C@H](O)C2)CCN1c1ccc(Cl)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.