Using N#C[O-], NCCc1cccc(-c2csc(N=C(N)N)n2)n1 to produce NC(=O)NCCc1cccc(-c2csc(N=C(N)N)n2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.