Using COc1ccc(P2(=S)SP(=S)(c3ccc(OC)cc3)S2)cc1, CCCC(=O)NCC(=O)OC to produce CCCC(=S)NCC(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.