Using Nc1cnc2ccccc2c1, O=C(O)c1ccc2cc3n(c2n1)CCCNC3=O to produce O=C(Nc1cnc2ccccc2c1)c1ccc2cc3n(c2n1)CCCNC3=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.