Using COC(=O)CCNC1(c2ccc3cc(OC4CCC(C(C)(C)C)CC4)ccc3c2)COC1 to produce CC(C)(C)[C@H]1CC[C@H](Oc2ccc3cc(C4(NCCC(=O)O)COC4)ccc3c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.