Using C=C(C)CC(CC[C@H]1CCC[C@@H](OCc2nc(-c3ccc(C)cc3)oc2C)C1)C(=O)OC(C)(C)C to produce Cc1ccc(-c2nc(CO[C@@H]3CCC[C@H](CCC(CC(C)C)C(=O)O)C3)c(C)o2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.