Using COc1ccc(P2(=S)SP(=S)(c3ccc(OC)cc3)S2)cc1, O=C1OC2(CCN(Cc3ccccc3)CC2)c2ccccc21 to produce S=C1OC2(CCN(Cc3ccccc3)CC2)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.