Using [NH4+], c1ccc(COc2ccc3c(c2)ncc2nc4n(c23)CCOC4)cc1 to produce Nc1nc2cc(OCc3ccccc3)ccc2c2c1nc1n2CCOC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.