Using S=P12SP3(=S)SP(=S)(S1)SP(=S)(S2)S3, CCC(CC)n1ncc2c(=O)[nH]c(CC3CCCCC3)nc21 to produce CCC(CC)n1ncc2c(=S)[nH]c(CC3CCCCC3)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.