Using COC(=O)C1CN(Cc2ccc3c(C)c(O[C@H]4CC[C@H](C(C)(C)C)CC4)ccc3c2)C1 to produce Cc1c(O[C@H]2CC[C@H](C(C)(C)C)CC2)ccc2cc(CN3CC(C(=O)O)C3)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.