Using [NH4+], N#Cc1cccc(N(C(=O)NC2CCN(C(=N)N)CC2)C2CCCCCC2)c1 to produce N=C(N)c1cccc(N(C(=O)NC2CCN(C(=N)N)CC2)C2CCCCCC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.