Using O=C(O)c1cccc2ccc(Oc3ccccc3)nc12, Nc1c(O)ccnc1O to produce O=C(Nc1c(O)ccnc1O)c1cccc2ccc(Oc3ccccc3)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.