Using O=[N+]([O-])C1=CC2C(c3cn(C(c4ccccc4)(c4ccccc4)c4ccccc4)cn3)=CCCC2C=C1 to produce NC1=CC2C(C=C1)CCCC2c1cn(C(c2ccccc2)(c2ccccc2)c2ccccc2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.