Using C[C@H]1CC[C@H]2C(C)(C)[C@@H](O)CC[C@]23Oc2c4c(cc(OCc5ccccc5)c2C[C@]13C)CNC4 to produce C[C@H]1CC[C@H]2C(C)(C)[C@@H](O)CC[C@]23Oc2c(c(O)cc4c2CNC4)C[C@]13C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.