Using CC(=O)NCc1ccc(-c2csc(NC(=S)NC(=O)c3ccccc3)n2)o1 to produce NCc1ccc(-c2csc(NC(N)=S)n2)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.