Using O=C(c1ccc2[nH]cnc2c1)N1CCCC2c3cc(C4=CCOCC4)ccc3CC21 to produce O=C(c1ccc2[nH]cnc2c1)N1CCC[C@@H]2c3cc(C4CCOCC4)ccc3C[C@@H]21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.