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