Using CCOC(OCC)OCC, COc1ccc([C@H]2C[C@]3(C)C(=O)CC[C@H]3[C@@H]3CCC4=CC(=O)CC[C@@H]4[C@H]32)cc1 to produce CCOC1=CC2=CC[C@@H]3[C@H]([C@@H](c4ccc(OC)cc4)C[C@]4(C)C(=O)CC[C@@H]34)[C@H]2CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.