Using COc1ccc(NC(=O)CC23CC4CC(CC(C4)C2)C3)c(C)c1 to produce Cc1cc(O)ccc1N(C(=O)CC12CC3CC(CC(C3)C1)C2)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.