Using CC(C)(C)C(=O)O, C/C=C/[C@H]1CC[C@H]([C@H]2CC[C@H](/C=C/CO)CC2)CC1 to produce C/C=C/[C@H]1CC[C@H]([C@H]2CC[C@H](/C=C/COC(=O)C(C)(C)C)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.