Using COc1cccc([C@@H](C)N[C@H]2CCN(Cc3ccccc3)C2)c1 to produce COc1cccc([C@@H](C)N[C@H]2CCNC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.