Using [NH4+], CCOCc1nc2cnc3ccccc3c2n1CC1(O)CCN(C(=O)OC(C)(C)C)CC1 to produce CCOCc1nc2c(N)nc3ccccc3c2n1CC1(O)CCN(C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.