Using C=CC12CCC3(CC1CCOc1cc(N=C(c4ccccc4)c4ccccc4)ccc12)OCCO3 to produce CCC12CCC3(CC1CCOc1cc(N)ccc12)OCCO3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.