Using CCSc1ncc2c(=O)[nH]cnc2n1, S=P12SP3(=S)SP(=S)(S1)SP(=S)(S2)S3 to produce CCSc1ncc2c(=S)[nH]cnc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.