Using CCOC(=O)NC1CC2(CCN(c3ccc(C=C(C)C)cn3)CC2)C1 to produce CCOC(=O)NC1CC2(CCN(c3ccc(CC(C)C)cn3)CC2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.