Using CCOP(=O)(OCC)c1c(-c2cccs2)sc(-c2cccs2)c1P(=O)(OCC)OCC to produce O=P(O)(O)c1c(-c2cccs2)sc(-c2cccs2)c1P(=O)(O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.