Using [NH4+], CCOCc1nc2c(Oc3ccccc3)nc(C)c(C)c2n1CCOCCCc1cccnc1 to produce CCOCc1nc2c(N)nc(C)c(C)c2n1CCOCCCc1cccnc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.