Using C=CCS(=O)C1CC(=O)N1C(C(=O)OCOC(=O)C(C)(C)C)=C(SC(C)=O)SC(C)=O to produce CC(=O)SC1=C(C(=O)OCOC(=O)C(C)(C)C)N2C(=O)CC2SS1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.