Using [NH4+], CCOCc1nc2cnc3ccc(NC(=O)C(C)C)cc3c2n1CC(C)(C)O to produce CCOCc1nc2c(N)nc3ccc(NC(=O)C(C)C)cc3c2n1CC(C)(C)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.