Using C1=COCCC1, CSCC[C@@H](NC(=O)OC(C)(C)C)C(O)C(=O)O to produce CSCC[C@@H](NC(=O)OC(C)(C)C)C(OC1CCCCO1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.