Using [NH4+], Cc1nc2cnc3ccccc3c2n1CCC(=O)N1CCOCC1 to produce Cc1nc2c(N)nc3ccccc3c2n1CCC(=O)N1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.