Using O=Cc1ccc2ccn(C(c3ccccc3)c3cccc(/C=C/c4ccc5ccccc5n4)c3)c2c1 to produce OCc1ccc2ccn(C(c3ccccc3)c3cccc(/C=C/c4ccc5ccccc5n4)c3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.