Using CCOCc1nc2cnc3cc(OCc4ccccc4)ccc3c2n1NC(C)C, [NH4+] to produce CCOCc1nc2c(N)nc3cc(OCc4ccccc4)ccc3c2n1NC(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.