Using Cc1ccccc1, Cn1c(=O)c2c(ncn2CC(N)=NO)n(C)c1=O to produce Cc1nc(Cn2cnc3c2c(=O)n(C)c(=O)n3C)no1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.